12764394 has 24 divisors (see below), whose sum is σ = 27726660. Its totient is φ = 4243968.

The previous prime is 12764387. The next prime is 12764417. The reversal of 12764394 is 49346721.

12764394 is a `hidden beast` number, since 1 + 2 + 7 + 643 + 9 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7634169 + 5130225 = 2763^2 + 2265^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9772 + ... + 11000.

Almost surely, 2^12764394 is an apocalyptic number.

12764394 is an abundant number, since it is smaller than the sum of its proper divisors (14962266).

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

12764394 is a wasteful number, since it uses less digits than its factorization.

12764394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1814 (or 1811 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 12764394 is about 3572.7292088822. The cubic root of 12764394 is about 233.7043164271.

The spelling of 12764394 in words is "twelve million, seven hundred sixty-four thousand, three hundred ninety-four".