13256770 has 32 divisors (see below), whose sum is σ = 26146800. Its totient is φ = 4816896.

The previous prime is 13256759. The next prime is 13256777. The reversal of 13256770 is 7765231.

It can be written as a sum of positive squares in 8 ways, for example, as 3948169 + 9308601 = 1987^2 + 3051^2 .

It is not an unprimeable number, because it can be changed into a prime (13256777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3586 + ... + 6274.

Almost surely, 2^13256770 is an apocalyptic number.

13256770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13256770 is a deficient number, since it is larger than the sum of its proper divisors (12890030).

13256770 is a wasteful number, since it uses less digits than its factorization.

13256770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 13256770 is about 3640.9847569030. The cubic root of 13256770 is about 236.6714694081.

The spelling of 13256770 in words is "thirteen million, two hundred fifty-six thousand, seven hundred seventy".