13656455 has 4 divisors (see below), whose sum is σ = 16387752. Its totient is φ = 10925160.

The previous prime is 13656451. The next prime is 13656473. The reversal of 13656455 is 55465631.

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

It is not a de Polignac number, because 13656455 - 2² = 13656451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13656451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1365641 + ... + 1365650.

It is an arithmetic number, because the mean of its divisors is an integer number (4096938).

Almost surely, 2^13656455 is an apocalyptic number.

13656455 is a deficient number, since it is larger than the sum of its proper divisors (2731297).

13656455 is an equidigital number, since it uses as much as digits as its factorization.

13656455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2731296.

The product of its digits is 54000, while the sum is 35.

The square root of 13656455 is about 3695.4641115833. The cubic root of 13656455 is about 239.0264671937.

The spelling of 13656455 in words is "thirteen million, six hundred fifty-six thousand, four hundred fifty-five".