13977392 has 80 divisors (see below), whose sum is σ = 32810400. Its totient is φ = 5683200.

The previous prime is 13977371. The next prime is 13977401. The reversal of 13977392 is 29377931.

It is a Harshad number since it is a multiple of its sum of digits (41).

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, 93734 + ... + 93882.

It is an arithmetic number, because the mean of its divisors is an integer number (410130).

Almost surely, 2^13977392 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 13977392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16405200).

13977392 is an abundant number, since it is smaller than the sum of its proper divisors (18833008).

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

13977392 is a wasteful number, since it uses less digits than its factorization.

13977392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 216 counting only the distinct ones).

The product of its digits is 71442, while the sum is 41.

The square root of 13977392 is about 3738.6350450398. The cubic root of 13977392 is about 240.8844220055.

The spelling of 13977392 in words is "thirteen million, nine hundred seventy-seven thousand, three hundred ninety-two".