12773812 has 6 divisors (see below), whose sum is σ = 22354178. Its totient is φ = 6386904.

The previous prime is 12773807. The next prime is 12773857. The reversal of 12773812 is 21837721.

12773812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11532816 + 1240996 = 3396^2 + 1114^2 .

It is a super-2 number, since 2×12773812² = 326340546022688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1596723 + ... + 1596730.

Almost surely, 2^12773812 is an apocalyptic number.

It is an amenable number.

12773812 is a deficient number, since it is larger than the sum of its proper divisors (9580366).

12773812 is a wasteful number, since it uses less digits than its factorization.

12773812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3193457 (or 3193455 counting only the distinct ones).

The product of its digits is 4704, while the sum is 31.

The square root of 12773812 is about 3574.0470058465. The cubic root of 12773812 is about 233.7617806029.

The spelling of 12773812 in words is "twelve million, seven hundred seventy-three thousand, eight hundred twelve".