12768490 has 32 divisors (see below), whose sum is σ = 26832384. Its totient is φ = 4283520.

The previous prime is 12768487. The next prime is 12768491. The reversal of 12768490 is 9486721.

12768490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12768491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1350 + ... + 5230.

It is an arithmetic number, because the mean of its divisors is an integer number (838512).

Almost surely, 2^12768490 is an apocalyptic number.

12768490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12768490 is an abundant number, since it is smaller than the sum of its proper divisors (14063894).

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

12768490 is a wasteful number, since it uses less digits than its factorization.

12768490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3942.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 12768490 is about 3573.3023941447. The cubic root of 12768490 is about 233.7293117515.

The spelling of 12768490 in words is "twelve million, seven hundred sixty-eight thousand, four hundred ninety".