13911955 has 4 divisors (see below), whose sum is σ = 16694352. Its totient is φ = 11129560.

The previous prime is 13911949. The next prime is 13911973. The reversal of 13911955 is 55911931.

13911955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13911955 - 2⁵ = 13911923 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13911955.

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, 1391191 + ... + 1391200.

It is an arithmetic number, because the mean of its divisors is an integer number (4173588).

Almost surely, 2^13911955 is an apocalyptic number.

13911955 is a deficient number, since it is larger than the sum of its proper divisors (2782397).

13911955 is an equidigital number, since it uses as much as digits as its factorization.

13911955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782396.

The product of its digits is 6075, while the sum is 34.

The square root of 13911955 is about 3729.8733222457. The cubic root of 13911955 is about 240.5079231429.

The spelling of 13911955 in words is "thirteen million, nine hundred eleven thousand, nine hundred fifty-five".