12764862 has 48 divisors (see below), whose sum is σ = 31494528. Its totient is φ = 3698640.

The previous prime is 12764849. The next prime is 12764879. The reversal of 12764862 is 26846721.

12764862 is a `hidden beast` number, since 1 + 2 + 7 + 648 + 6 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3153 + ... + 5955.

It is an arithmetic number, because the mean of its divisors is an integer number (656136).

Almost surely, 2^12764862 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12764862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15747264).

12764862 is an abundant number, since it is smaller than the sum of its proper divisors (18729666).

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

12764862 is a wasteful number, since it uses less digits than its factorization.

12764862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845 (or 2842 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 12764862 is about 3572.7947044296. The cubic root of 12764862 is about 233.7071726088.

The spelling of 12764862 in words is "twelve million, seven hundred sixty-four thousand, eight hundred sixty-two".