12818712 has 16 divisors (see below), whose sum is σ = 32046840. Its totient is φ = 4272896.

The previous prime is 12818699. The next prime is 12818713. The reversal of 12818712 is 21781821.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12818712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12818713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267033 + ... + 267080.

Almost surely, 2^12818712 is an apocalyptic number.

12818712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12818712 is an abundant number, since it is smaller than the sum of its proper divisors (19228128).

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

12818712 is a wasteful number, since it uses less digits than its factorization.

12818712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534122 (or 534118 counting only the distinct ones).

The product of its digits is 1792, while the sum is 30.

The square root of 12818712 is about 3580.3228904667. The cubic root of 12818712 is about 234.0353515149.

It can be divided in two parts, 12818 and 712, that added together give a triangular number (13530 = T₁₆₄).

The spelling of 12818712 in words is "twelve million, eight hundred eighteen thousand, seven hundred twelve".