13165136 has 10 divisors (see below), whose sum is σ = 25507482. Its totient is φ = 6582560.

The previous prime is 13165121. The next prime is 13165153. The reversal of 13165136 is 63156131.

It can be written as a sum of positive squares in only one way, i.e., 7595536 + 5569600 = 2756^2 + 2360^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411395 + ... + 411426.

Almost surely, 2^13165136 is an apocalyptic number.

13165136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13165136 is a deficient number, since it is larger than the sum of its proper divisors (12342346).

13165136 is an equidigital number, since it uses as much as digits as its factorization.

13165136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822829 (or 822823 counting only the distinct ones).

The product of its digits is 1620, while the sum is 26.

The square root of 13165136 is about 3628.3792525038. The cubic root of 13165136 is about 236.1248979795.

The spelling of 13165136 in words is "thirteen million, one hundred sixty-five thousand, one hundred thirty-six".