13900524 has 96 divisors (see below), whose sum is σ = 37847040. Its totient is φ = 3931200.

The previous prime is 13900519. The next prime is 13900553. The reversal of 13900524 is 42500931.

13900524 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13900494 and 13900503.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175917 + ... + 175995.

It is an arithmetic number, because the mean of its divisors is an integer number (394240).

Almost surely, 2^13900524 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 13900524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18923520).

13900524 is an abundant number, since it is smaller than the sum of its proper divisors (23946516).

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

13900524 is a wasteful number, since it uses less digits than its factorization.

13900524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 13900524 is about 3728.3406496725. The cubic root of 13900524 is about 240.4420325857.

The spelling of 13900524 in words is "thirteen million, nine hundred thousand, five hundred twenty-four".