13256010 has 24 divisors (see below), whose sum is σ = 34465860. Its totient is φ = 3534912.

The previous prime is 13255999. The next prime is 13256029. The reversal of 13256010 is 1065231.

It can be written as a sum of positive squares in 2 ways, for example, as 13242321 + 13689 = 3639^2 + 117^2 .

It is a super-2 number, since 2×13256010² = 351443602240200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73555 + ... + 73734.

Almost surely, 2^13256010 is an apocalyptic number.

13256010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13256010 is an abundant number, since it is smaller than the sum of its proper divisors (21209850).

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

13256010 is a wasteful number, since it uses less digits than its factorization.

13256010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147302 (or 147299 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 13256010 is about 3640.8803880380. The cubic root of 13256010 is about 236.6669465932. Note that the first 3 decimals are identical.

The spelling of 13256010 in words is "thirteen million, two hundred fifty-six thousand, ten".