12927812 has 6 divisors (see below), whose sum is σ = 22623678. Its totient is φ = 6463904.

The previous prime is 12927799. The next prime is 12927829. The reversal of 12927812 is 21872921.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6895876 + 6031936 = 2626^2 + 2456^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1615973 + ... + 1615980.

It is an arithmetic number, because the mean of its divisors is an integer number (3770613).

Almost surely, 2^12927812 is an apocalyptic number.

It is an amenable number.

12927812 is a deficient number, since it is larger than the sum of its proper divisors (9695866).

12927812 is a wasteful number, since it uses less digits than its factorization.

12927812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3231957 (or 3231955 counting only the distinct ones).

The product of its digits is 4032, while the sum is 32.

The square root of 12927812 is about 3595.5266651772. The cubic root of 12927812 is about 234.6974346638.

The spelling of 12927812 in words is "twelve million, nine hundred twenty-seven thousand, eight hundred twelve".