12731708 has 24 divisors (see below), whose sum is σ = 25737264. Its totient is φ = 5446400.

The previous prime is 12731707. The next prime is 12731723. The reversal of 12731708 is 80713721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12731701) 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, 7763 + ... + 9258.

It is an arithmetic number, because the mean of its divisors is an integer number (1072386).

Almost surely, 2^12731708 is an apocalyptic number.

It is an amenable number.

12731708 is an abundant number, since it is smaller than the sum of its proper divisors (13005556).

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

12731708 is a wasteful number, since it uses less digits than its factorization.

12731708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17053 (or 17051 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 12731708 is about 3568.1519025961. The cubic root of 12731708 is about 233.5046623765.

The spelling of 12731708 in words is "twelve million, seven hundred thirty-one thousand, seven hundred eight".