13731306 has 32 divisors (see below), whose sum is σ = 28339200. Its totient is φ = 4433520.

The previous prime is 13731301. The next prime is 13731307. The reversal of 13731306 is 60313731.

13731306 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 15 ways as a sum of consecutive naturals, for example, 27721 + ... + 28211.

It is an arithmetic number, because the mean of its divisors is an integer number (885600).

Almost surely, 2^13731306 is an apocalyptic number.

13731306 is an abundant number, since it is smaller than the sum of its proper divisors (14607894).

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

13731306 is a wasteful number, since it uses less digits than its factorization.

13731306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634.

The product of its (nonzero) digits is 1134, while the sum is 24.

The square root of 13731306 is about 3705.5776877567. The cubic root of 13731306 is about 239.4623729430.

The spelling of 13731306 in words is "thirteen million, seven hundred thirty-one thousand, three hundred six".