13056451 has 4 divisors (see below), whose sum is σ = 13073400. Its totient is φ = 13039504.

The previous prime is 13056437. The next prime is 13056499. The reversal of 13056451 is 15465031.

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

It is a cyclic number.

It is not a de Polignac number, because 13056451 - 2⁵ = 13056419 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (13056431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7261 + ... + 8878.

It is an arithmetic number, because the mean of its divisors is an integer number (3268350).

Almost surely, 2^13056451 is an apocalyptic number.

13056451 is a deficient number, since it is larger than the sum of its proper divisors (16949).

13056451 is an equidigital number, since it uses as much as digits as its factorization.

13056451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16948.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 13056451 is about 3613.3711406386. The cubic root of 13056451 is about 235.4733239709.

The spelling of 13056451 in words is "thirteen million, fifty-six thousand, four hundred fifty-one".