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13299468 = 22371319641
BaseRepresentation
bin110010101110…
…111100001100
3221000200102220
4302232330030
511401040333
61153015340
7221020650
oct62567414
927020386
1013299468
1175640a6
124554550
1329a8610
141aa2a60
15127a8b3
hexcaef0c

13299468 has 96 divisors (see below), whose sum is σ = 40266240. Its totient is φ = 3317760.

The previous prime is 13299467. The next prime is 13299553. The reversal of 13299468 is 86499231.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (13299467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20428 + ... + 21068.

It is an arithmetic number, because the mean of its divisors is an integer number (419440).

Almost surely, 213299468 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13299468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20133120).

13299468 is an abundant number, since it is smaller than the sum of its proper divisors (26966772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13299468 is a wasteful number, since it uses less digits than its factorization.

13299468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687 (or 685 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 13299468 is about 3646.8435667026. The cubic root of 13299468 is about 236.9252911276.

The spelling of 13299468 in words is "thirteen million, two hundred ninety-nine thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 7 12 13 14 19 21 26 28 38 39 42 52 57 76 78 84 91 114 133 156 182 228 247 266 273 364 399 494 532 546 641 741 798 988 1092 1282 1482 1596 1729 1923 2564 2964 3458 3846 4487 5187 6916 7692 8333 8974 10374 12179 13461 16666 17948 20748 24358 24999 26922 33332 36537 48716 49998 53844 58331 73074 85253 99996 116662 146148 158327 170506 174993 233324 255759 316654 341012 349986 474981 511518 633308 699972 949962 1023036 1108289 1899924 2216578 3324867 4433156 6649734 13299468