12717790 has 16 divisors (see below), whose sum is σ = 23451120. Its totient is φ = 4962880.

The previous prime is 12717773. The next prime is 12717797. The reversal of 12717790 is 9771721.

12717790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12717797) 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, 15100 + ... + 15919.

It is an arithmetic number, because the mean of its divisors is an integer number (1465695).

Almost surely, 2^12717790 is an apocalyptic number.

12717790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12717790 is a deficient number, since it is larger than the sum of its proper divisors (10733330).

12717790 is a wasteful number, since it uses less digits than its factorization.

12717790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31067.

The product of its (nonzero) digits is 6174, while the sum is 34.

The square root of 12717790 is about 3566.2010599516. The cubic root of 12717790 is about 233.4195441071.

The spelling of 12717790 in words is "twelve million, seven hundred seventeen thousand, seven hundred ninety".