13012136 has 16 divisors (see below), whose sum is σ = 24858900. Its totient is φ = 6383104.

The previous prime is 13012117. The next prime is 13012141. The reversal of 13012136 is 63121031.

It can be written as a sum of positive squares in 2 ways, for example, as 10432900 + 2579236 = 3230^2 + 1606^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14921 + ... + 15768.

Almost surely, 2^13012136 is an apocalyptic number.

It is an amenable number.

13012136 is a deficient number, since it is larger than the sum of its proper divisors (11846764).

13012136 is a wasteful number, since it uses less digits than its factorization.

13012136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30748 (or 30744 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 13012136 is about 3607.2338432655. The cubic root of 13012136 is about 235.2066147275.

Adding to 13012136 its reverse (63121031), we get a palindrome (76133167).

The spelling of 13012136 in words is "thirteen million, twelve thousand, one hundred thirty-six".