12778264 has 32 divisors (see below), whose sum is σ = 24591600. Its totient is φ = 6223360.

The previous prime is 12778253. The next prime is 12778277. The reversal of 12778264 is 46287721.

12778264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93204 + ... + 93340.

Almost surely, 2^12778264 is an apocalyptic number.

It is an amenable number.

12778264 is a deficient number, since it is larger than the sum of its proper divisors (11813336).

12778264 is a wasteful number, since it uses less digits than its factorization.

12778264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363 (or 359 counting only the distinct ones).

The product of its digits is 37632, while the sum is 37.

The square root of 12778264 is about 3574.6697749582. The cubic root of 12778264 is about 233.7889347672.

The spelling of 12778264 in words is "twelve million, seven hundred seventy-eight thousand, two hundred sixty-four".