13956992 has 64 divisors (see below), whose sum is σ = 32713440. Its totient is φ = 5806080.

The previous prime is 13956991. The next prime is 13956997. The reversal of 13956992 is 29965931.

13956992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13956991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32942 + ... + 33362.

Almost surely, 2^13956992 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 13956992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16356720).

13956992 is an abundant number, since it is smaller than the sum of its proper divisors (18756448).

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

13956992 is an equidigital number, since it uses as much as digits as its factorization.

13956992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 467 counting only the distinct ones).

The product of its digits is 131220, while the sum is 44.

The square root of 13956992 is about 3735.9057803965. The cubic root of 13956992 is about 240.7671746957.

The spelling of 13956992 in words is "thirteen million, nine hundred fifty-six thousand, nine hundred ninety-two".