13992432 has 20 divisors (see below), whose sum is σ = 36147240. Its totient is φ = 4664128.

The previous prime is 13992431. The next prime is 13992437. The reversal of 13992432 is 23429931.

It is a junction number, because it is equal to n+sod(n) for n = 13992393 and 13992402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13992431) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 145707 + ... + 145802.

It is an arithmetic number, because the mean of its divisors is an integer number (1807362).

Almost surely, 2^13992432 is an apocalyptic number.

13992432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13992432 is an abundant number, since it is smaller than the sum of its proper divisors (22154808).

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

13992432 is a wasteful number, since it uses less digits than its factorization.

13992432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291520 (or 291514 counting only the distinct ones).

The product of its digits is 11664, while the sum is 33.

The square root of 13992432 is about 3740.6459335254. The cubic root of 13992432 is about 240.9707901215.

The spelling of 13992432 in words is "thirteen million, nine hundred ninety-two thousand, four hundred thirty-two".