13056418 has 4 divisors (see below), whose sum is σ = 19584630. Its totient is φ = 6528208.

The previous prime is 13056413. The next prime is 13056419. The reversal of 13056418 is 81465031.

13056418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12723489 + 332929 = 3567^2 + 577^2 .

It is not an unprimeable number, because it can be changed into a prime (13056413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3264103 + ... + 3264106.

Almost surely, 2^13056418 is an apocalyptic number.

13056418 is a deficient number, since it is larger than the sum of its proper divisors (6528212).

13056418 is an equidigital number, since it uses as much as digits as its factorization.

13056418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6528211.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 13056418 is about 3613.3665742628. The cubic root of 13056418 is about 235.4731255855.

The spelling of 13056418 in words is "thirteen million, fifty-six thousand, four hundred eighteen".