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13011330 = 23523109173
BaseRepresentation
bin110001101000…
…100110000010
3220111001012010
4301220212002
511312330310
61142513350
7215410623
oct61504602
926431163
1013011330
117387672
124435856
132907417
141a29a4a
151220320
hexc68982

13011330 has 64 divisors (see below), whose sum is σ = 33073920. Its totient is φ = 3269376.

The previous prime is 13011319. The next prime is 13011337. The reversal of 13011330 is 3311031.

It is not an unprimeable number, because it can be changed into a prime (13011337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75124 + ... + 75296.

It is an arithmetic number, because the mean of its divisors is an integer number (516780).

Almost surely, 213011330 is an apocalyptic number.

13011330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13011330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16536960).

13011330 is an abundant number, since it is smaller than the sum of its proper divisors (20062590).

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

13011330 is a wasteful number, since it uses less digits than its factorization.

13011330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315.

The product of its (nonzero) digits is 27, while the sum is 12.

The square root of 13011330 is about 3607.1221215811. The cubic root of 13011330 is about 235.2017582242.

Adding to 13011330 its reverse (3311031), we get a palindrome (16322361).

The spelling of 13011330 in words is "thirteen million, eleven thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 109 115 138 173 218 230 327 345 346 519 545 654 690 865 1038 1090 1635 1730 2507 2595 3270 3979 5014 5190 7521 7958 11937 12535 15042 18857 19895 23874 25070 37605 37714 39790 56571 59685 75210 94285 113142 119370 188570 282855 433711 565710 867422 1301133 2168555 2602266 4337110 6505665 13011330