13920924 has 12 divisors (see below), whose sum is σ = 32482184. Its totient is φ = 4640304.

The previous prime is 13920923. The next prime is 13920937. The reversal of 13920924 is 42902931.

13920924 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 (12).

It is a junction number, because it is equal to n+sod(n) for n = 13920891 and 13920900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13920923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580027 + ... + 580050.

Almost surely, 2^13920924 is an apocalyptic number.

It is an amenable number.

13920924 is an abundant number, since it is smaller than the sum of its proper divisors (18561260).

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

13920924 is a wasteful number, since it uses less digits than its factorization.

13920924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160084 (or 1160082 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 13920924 is about 3731.0754481784. The cubic root of 13920924 is about 240.5595969771.

The spelling of 13920924 in words is "thirteen million, nine hundred twenty thousand, nine hundred twenty-four".