13656542 has 16 divisors (see below), whose sum is σ = 22196592. Its totient is φ = 6276480.

The previous prime is 13656529. The next prime is 13656551. The reversal of 13656542 is 24565631.

13656542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13656542² = 373002278795528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13656499 and 13656508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3209 + ... + 6132.

It is an arithmetic number, because the mean of its divisors is an integer number (1387287).

Almost surely, 2^13656542 is an apocalyptic number.

13656542 is a deficient number, since it is larger than the sum of its proper divisors (8540050).

13656542 is a wasteful number, since it uses less digits than its factorization.

13656542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9403.

The product of its digits is 21600, while the sum is 32.

The square root of 13656542 is about 3695.4758827518. The cubic root of 13656542 is about 239.0269747744.

The spelling of 13656542 in words is "thirteen million, six hundred fifty-six thousand, five hundred forty-two".