13708737 has 16 divisors (see below), whose sum is σ = 23210880. Its totient is φ = 7833456.

The previous prime is 13708729. The next prime is 13708741. The reversal of 13708737 is 73780731.

It is a happy number.

13708737 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13708737 - 2³ = 13708729 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (13708777) 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 15 ways as a sum of consecutive naturals, for example, 36078 + ... + 36455.

It is an arithmetic number, because the mean of its divisors is an integer number (1450680).

Almost surely, 2^13708737 is an apocalyptic number.

It is an amenable number.

13708737 is a deficient number, since it is larger than the sum of its proper divisors (9502143).

13708737 is an equidigital number, since it uses as much as digits as its factorization.

13708737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72549 (or 72543 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The square root of 13708737 is about 3702.5311612463. The cubic root of 13708737 is about 239.3311062366.

The spelling of 13708737 in words is "thirteen million, seven hundred eight thousand, seven hundred thirty-seven".