13990932 has 36 divisors (see below), whose sum is σ = 37447956. Its totient is φ = 4389120.

The previous prime is 13990927. The next prime is 13990943. The reversal of 13990932 is 23909931.

13990932 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12152196 + 1838736 = 3486^2 + 1356^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10819 + ... + 12042.

It is an arithmetic number, because the mean of its divisors is an integer number (1040221).

Almost surely, 2^13990932 is an apocalyptic number.

13990932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13990932 is an abundant number, since it is smaller than the sum of its proper divisors (23457024).

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

13990932 is a wasteful number, since it uses less digits than its factorization.

13990932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22888 (or 22883 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 36.

The square root of 13990932 is about 3740.4454280206. The cubic root of 13990932 is about 240.9621790595.

The spelling of 13990932 in words is "thirteen million, nine hundred ninety thousand, nine hundred thirty-two".