13856964 has 48 divisors (see below), whose sum is σ = 35622720. Its totient is φ = 4157440.

The previous prime is 13856959. The next prime is 13856987. The reversal of 13856964 is 46965831.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14452 + ... + 15380.

It is an arithmetic number, because the mean of its divisors is an integer number (742140).

Almost surely, 2^13856964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13856964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17811360).

13856964 is an abundant number, since it is smaller than the sum of its proper divisors (21765756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13856964 is a wasteful number, since it uses less digits than its factorization.

13856964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060 (or 1058 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 13856964 is about 3722.4943250460. The cubic root of 13856964 is about 240.1906124609.

The spelling of 13856964 in words is "thirteen million, eight hundred fifty-six thousand, nine hundred sixty-four".