13136936 has 8 divisors (see below), whose sum is σ = 24631770. Its totient is φ = 6568464.

The previous prime is 13136927. The next prime is 13136939. The reversal of 13136936 is 63963131.

It can be written as a sum of positive squares in only one way, i.e., 6916900 + 6220036 = 2630^2 + 2494^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (13136939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 821051 + ... + 821066.

Almost surely, 2^13136936 is an apocalyptic number.

It is an amenable number.

13136936 is a deficient number, since it is larger than the sum of its proper divisors (11494834).

13136936 is a wasteful number, since it uses less digits than its factorization.

13136936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642123 (or 1642119 counting only the distinct ones).

The product of its digits is 8748, while the sum is 32.

The square root of 13136936 is about 3624.4911366977. The cubic root of 13136936 is about 235.9561826149.

The spelling of 13136936 in words is "thirteen million, one hundred thirty-six thousand, nine hundred thirty-six".