13971332 has 12 divisors (see below), whose sum is σ = 24687936. Its totient is φ = 6917640.

The previous prime is 13971317. The next prime is 13971337. The reversal of 13971332 is 23317931.

13971332 is digitally balanced in base 2, because in such base 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 = 13971295 and 13971304.

It is not an unprimeable number, because it can be changed into a prime (13971337) 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, 16544 + ... + 17367.

It is an arithmetic number, because the mean of its divisors is an integer number (2057328).

Almost surely, 2^13971332 is an apocalyptic number.

It is an amenable number.

13971332 is a deficient number, since it is larger than the sum of its proper divisors (10716604).

13971332 is a wasteful number, since it uses less digits than its factorization.

13971332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34018 (or 34016 counting only the distinct ones).

The product of its digits is 3402, while the sum is 29.

The square root of 13971332 is about 3737.8245009631. The cubic root of 13971332 is about 240.8496045753.

The spelling of 13971332 in words is "thirteen million, nine hundred seventy-one thousand, three hundred thirty-two".