12764790 has 112 divisors (see below), whose sum is σ = 36829728. Its totient is φ = 3172608.

The previous prime is 12764783. The next prime is 12764797. The reversal of 12764790 is 9746721.

It is a happy number.

12764790 is a `hidden beast` number, since 1 + 2 + 7 + 647 + 9 + 0 = 666.

12764790 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12764783) and next prime (12764797).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12764797) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 123879 + ... + 123981.

Almost surely, 2^12764790 is an apocalyptic number.

12764790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12764790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18414864).

12764790 is an abundant number, since it is smaller than the sum of its proper divisors (24064938).

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

12764790 is a wasteful number, since it uses less digits than its factorization.

12764790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 12764790 is about 3572.7846282697. The cubic root of 12764790 is about 233.7067332008.

The spelling of 12764790 in words is "twelve million, seven hundred sixty-four thousand, seven hundred ninety".