13731308 has 24 divisors (see below), whose sum is σ = 25682832. Its totient is φ = 6401024.

The previous prime is 13731307. The next prime is 13731313. The reversal of 13731308 is 80313731.

13731308 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13731301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6791 + ... + 8577.

It is an arithmetic number, because the mean of its divisors is an integer number (1070118).

Almost surely, 2^13731308 is an apocalyptic number.

It is an amenable number.

13731308 is a deficient number, since it is larger than the sum of its proper divisors (11951524).

13731308 is a wasteful number, since it uses less digits than its factorization.

13731308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921 (or 1919 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 13731308 is about 3705.5779576201. The cubic root of 13731308 is about 239.4623845691.

The spelling of 13731308 in words is "thirteen million, seven hundred thirty-one thousand, three hundred eight".