12788036 has 6 divisors (see below), whose sum is σ = 22379070. Its totient is φ = 6394016.

The previous prime is 12788033. The next prime is 12788053. The reversal of 12788036 is 63088721.

It can be written as a sum of positive squares in only one way, i.e., 8667136 + 4120900 = 2944^2 + 2030^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12787987 and 12788005.

It is not an unprimeable number, because it can be changed into a prime (12788033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1598501 + ... + 1598508.

It is an arithmetic number, because the mean of its divisors is an integer number (3729845).

Almost surely, 2^12788036 is an apocalyptic number.

It is an amenable number.

12788036 is a deficient number, since it is larger than the sum of its proper divisors (9591034).

12788036 is a wasteful number, since it uses less digits than its factorization.

12788036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3197013 (or 3197011 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 12788036 is about 3576.0363532828. The cubic root of 12788036 is about 233.8485151961.

The spelling of 12788036 in words is "twelve million, seven hundred eighty-eight thousand, thirty-six".