13256995 has 16 divisors (see below), whose sum is σ = 16623360. Its totient is φ = 10148160.

The previous prime is 13256987. The next prime is 13257007. The reversal of 13256995 is 59965231.

It is a happy number.

It is not a de Polignac number, because 13256995 - 2³ = 13256987 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148911 + ... + 148999.

It is an arithmetic number, because the mean of its divisors is an integer number (1038960).

Almost surely, 2^13256995 is an apocalyptic number.

13256995 is a deficient number, since it is larger than the sum of its proper divisors (3366365).

13256995 is an frugal number, since it uses more digits than its factorization.

13256995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 125 counting only the distinct ones).

The product of its digits is 72900, while the sum is 40.

The square root of 13256995 is about 3641.0156550062. The cubic root of 13256995 is about 236.6728083663.

The spelling of 13256995 in words is "thirteen million, two hundred fifty-six thousand, nine hundred ninety-five".