13967555 has 16 divisors (see below), whose sum is σ = 19989504. Its totient is φ = 9160800.

The previous prime is 13967543. The next prime is 13967563. The reversal of 13967555 is 55576931.

It is not a de Polignac number, because 13967555 - 2⁴ = 13967539 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7871 + ... + 9480.

It is an arithmetic number, because the mean of its divisors is an integer number (1249344).

Almost surely, 2^13967555 is an apocalyptic number.

13967555 is a deficient number, since it is larger than the sum of its proper divisors (6021949).

13967555 is a wasteful number, since it uses less digits than its factorization.

13967555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17386.

The product of its digits is 141750, while the sum is 41.

The square root of 13967555 is about 3737.3192263974. The cubic root of 13967555 is about 240.8278989154.

The spelling of 13967555 in words is "thirteen million, nine hundred sixty-seven thousand, five hundred fifty-five".