12772036 has 12 divisors (see below), whose sum is σ = 22445500. Its totient is φ = 6359040.

The previous prime is 12772013. The next prime is 12772057. The reversal of 12772036 is 63027721.

It can be written as a sum of positive squares in 2 ways, for example, as 6471936 + 6300100 = 2544^2 + 2510^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12771995 and 12772013.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5661 + ... + 7588.

Almost surely, 2^12772036 is an apocalyptic number.

It is an amenable number.

12772036 is a deficient number, since it is larger than the sum of its proper divisors (9673464).

12772036 is a wasteful number, since it uses less digits than its factorization.

12772036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13494 (or 13492 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 12772036 is about 3573.7985393696. The cubic root of 12772036 is about 233.7509464535.

Adding to 12772036 its reverse (63027721), we get a palindrome (75799757).

The spelling of 12772036 in words is "twelve million, seven hundred seventy-two thousand, thirty-six".