13915332 has 18 divisors (see below), whose sum is σ = 35174958. Its totient is φ = 4638432.

The previous prime is 13915303. The next prime is 13915339. The reversal of 13915332 is 23351931.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10653696 + 3261636 = 3264^2 + 1806^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 13915296 and 13915305.

It is not an unprimeable number, because it can be changed into a prime (13915339) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 193233 + ... + 193304.

Almost surely, 2^13915332 is an apocalyptic number.

13915332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13915332 is an abundant number, since it is smaller than the sum of its proper divisors (21259626).

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

13915332 is a wasteful number, since it uses less digits than its factorization.

13915332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386547 (or 386542 counting only the distinct ones).

The product of its digits is 2430, while the sum is 27.

The square root of 13915332 is about 3730.3259911166. The cubic root of 13915332 is about 240.5273819357.

The spelling of 13915332 in words is "thirteen million, nine hundred fifteen thousand, three hundred thirty-two".