12812712 has 32 divisors (see below), whose sum is σ = 34944480. Its totient is φ = 3882560.

The previous prime is 12812699. The next prime is 12812729. The reversal of 12812712 is 21721821.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 24003 + ... + 24530.

It is an arithmetic number, because the mean of its divisors is an integer number (1092015).

Almost surely, 2^12812712 is an apocalyptic number.

12812712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12812712 is an abundant number, since it is smaller than the sum of its proper divisors (22131768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12812712 is a wasteful number, since it uses less digits than its factorization.

12812712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48553 (or 48549 counting only the distinct ones).

The product of its digits is 448, while the sum is 24.

The square root of 12812712 is about 3579.4848791411. The cubic root of 12812712 is about 233.9988311725.

It can be divided in two parts, 1281 and 2712, that added together give a palindrome (3993).

The spelling of 12812712 in words is "twelve million, eight hundred twelve thousand, seven hundred twelve".