12890712 has 32 divisors (see below), whose sum is σ = 32978880. Its totient is φ = 4196640.

The previous prime is 12890711. The next prime is 12890723. The reversal of 12890712 is 21709821.

It is a self number, because there is not a number n which added to its sum of digits gives 12890712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12890711) 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, 5214 + ... + 7277.

It is an arithmetic number, because the mean of its divisors is an integer number (1030590).

Almost surely, 2^12890712 is an apocalyptic number.

12890712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12890712 is an abundant number, since it is smaller than the sum of its proper divisors (20088168).

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

12890712 is a wasteful number, since it uses less digits than its factorization.

12890712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12543 (or 12539 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 12890712 is about 3590.3637698707. The cubic root of 12890712 is about 234.4727094110.

The spelling of 12890712 in words is "twelve million, eight hundred ninety thousand, seven hundred twelve".