13056455 has 4 divisors (see below), whose sum is σ = 15667752. Its totient is φ = 10445160.

The previous prime is 13056437. The next prime is 13056499. The reversal of 13056455 is 55465031.

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

It is not a de Polignac number, because 13056455 - 2¹⁰ = 13055431 is a prime.

It is a super-3 number, since 3×13056455³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1305641 + ... + 1305650.

It is an arithmetic number, because the mean of its divisors is an integer number (3916938).

Almost surely, 2^13056455 is an apocalyptic number.

13056455 is a deficient number, since it is larger than the sum of its proper divisors (2611297).

13056455 is an equidigital number, since it uses as much as digits as its factorization.

13056455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2611296.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 13056455 is about 3613.3716941383. The cubic root of 13056455 is about 235.4733480176.

The spelling of 13056455 in words is "thirteen million, fifty-six thousand, four hundred fifty-five".