13877856 has 36 divisors (see below), whose sum is σ = 39465972. Its totient is φ = 4625856.

The previous prime is 13877833. The next prime is 13877879. The reversal of 13877856 is 65877831.

It is an interprime number because it is at equal distance from previous prime (13877833) and next prime (13877879).

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23806 + ... + 24381.

It is an arithmetic number, because the mean of its divisors is an integer number (1096277).

Almost surely, 2^13877856 is an apocalyptic number.

13877856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13877856 is an abundant number, since it is smaller than the sum of its proper divisors (25588116).

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

13877856 is a wasteful number, since it uses less digits than its factorization.

13877856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48203 (or 48192 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 13877856 is about 3725.2994510509. The cubic root of 13877856 is about 240.3112628066.

The spelling of 13877856 in words is "thirteen million, eight hundred seventy-seven thousand, eight hundred fifty-six".