13256045 has 16 divisors (see below), whose sum is σ = 17953920. Its totient is φ = 9307200.

The previous prime is 13256029. The next prime is 13256057. The reversal of 13256045 is 54065231.

13256045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13256045 - 2⁴ = 13256029 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, 2561 + ... + 5750.

It is an arithmetic number, because the mean of its divisors is an integer number (1122120).

Almost surely, 2^13256045 is an apocalyptic number.

It is an amenable number.

13256045 is a deficient number, since it is larger than the sum of its proper divisors (4697875).

13256045 is a wasteful number, since it uses less digits than its factorization.

13256045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8356.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 13256045 is about 3640.8851945646. The cubic root of 13256045 is about 236.6671548845.

The spelling of 13256045 in words is "thirteen million, two hundred fifty-six thousand, forty-five".