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13368670 = 257227283
BaseRepresentation
bin110010111111…
…110101011110
3221011012100221
4302333311132
511410244140
61154311554
7221426500
oct62776536
927135327
1013368670
117601097
1245885ba
132a00c73
141abdd70
15129114a
hexcbfd5e

13368670 has 24 divisors (see below), whose sum is σ = 27993384. Its totient is φ = 4583376.

The previous prime is 13368659. The next prime is 13368671. The reversal of 13368670 is 7686331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13368671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13152 + ... + 14131.

It is an arithmetic number, because the mean of its divisors is an integer number (1166391).

Almost surely, 213368670 is an apocalyptic number.

13368670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13368670 is an abundant number, since it is smaller than the sum of its proper divisors (14624714).

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

13368670 is a wasteful number, since it uses less digits than its factorization.

13368670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27304 (or 27297 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 13368670 is about 3656.3191873796. The cubic root of 13368670 is about 237.3355167672.

The spelling of 13368670 in words is "thirteen million, three hundred sixty-eight thousand, six hundred seventy".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 27283 54566 136415 190981 272830 381962 954905 1336867 1909810 2673734 6684335 13368670