15680712 has 16 divisors (see below), whose sum is σ = 39201840. Its totient is φ = 5226896.

The previous prime is 15680701. The next prime is 15680713. The reversal of 15680712 is 21708651.

15680712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 15680712.

It is not an unprimeable number, because it can be changed into a prime (15680713) 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, 326658 + ... + 326705.

It is an arithmetic number, because the mean of its divisors is an integer number (2450115).

Almost surely, 2^15680712 is an apocalyptic number.

15680712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15680712 is an abundant number, since it is smaller than the sum of its proper divisors (23521128).

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

15680712 is a wasteful number, since it uses less digits than its factorization.

15680712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653372 (or 653368 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 15680712 is about 3959.8878772006. The cubic root of 15680712 is about 250.2967782180.

The spelling of 15680712 in words is "fifteen million, six hundred eighty thousand, seven hundred twelve".