13256308 has 12 divisors (see below), whose sum is σ = 24983140. Its totient is φ = 6118272.

The previous prime is 13256239. The next prime is 13256333. The reversal of 13256308 is 80365231.

It can be written as a sum of positive squares in 2 ways, for example, as 3283344 + 9972964 = 1812^2 + 3158^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127413 + ... + 127516.

Almost surely, 2^13256308 is an apocalyptic number.

It is an amenable number.

13256308 is a deficient number, since it is larger than the sum of its proper divisors (11726832).

13256308 is a wasteful number, since it uses less digits than its factorization.

13256308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254946 (or 254944 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 13256308 is about 3640.9213119759. The cubic root of 13256308 is about 236.6687200333.

The spelling of 13256308 in words is "thirteen million, two hundred fifty-six thousand, three hundred eight".