13056567 has 16 divisors (see below), whose sum is σ = 17856000. Its totient is φ = 8483904.

The previous prime is 13056559. The next prime is 13056599. The reversal of 13056567 is 76565031.

It is not a de Polignac number, because 13056567 - 2³ = 13056559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13056167) 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, 20784 + ... + 21402.

It is an arithmetic number, because the mean of its divisors is an integer number (1116000).

Almost surely, 2^13056567 is an apocalyptic number.

13056567 is a deficient number, since it is larger than the sum of its proper divisors (4799433).

13056567 is an equidigital number, since it uses as much as digits as its factorization.

13056567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 13056567 is about 3613.3871920955. The cubic root of 13056567 is about 235.4740213228.

The spelling of 13056567 in words is "thirteen million, fifty-six thousand, five hundred sixty-seven".