12883812 has 12 divisors (see below), whose sum is σ = 30062256. Its totient is φ = 4294600.

The previous prime is 12883811. The next prime is 12883813. The reversal of 12883812 is 21838821.

It is an interprime number because it is at equal distance from previous prime (12883811) and next prime (12883813).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×12883812² = 331985223302688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12883811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536814 + ... + 536837.

It is an arithmetic number, because the mean of its divisors is an integer number (2505188).

Almost surely, 2^12883812 is an apocalyptic number.

12883812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12883812 is an abundant number, since it is smaller than the sum of its proper divisors (17178444).

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

12883812 is a wasteful number, since it uses less digits than its factorization.

12883812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073658 (or 1073656 counting only the distinct ones).

The product of its digits is 6144, while the sum is 33.

The square root of 12883812 is about 3589.4027358322. The cubic root of 12883812 is about 234.4308666112.

It can be divided in two parts, 12883 and 812, that added together give a triangular number (13695 = T₁₆₅).

The spelling of 12883812 in words is "twelve million, eight hundred eighty-three thousand, eight hundred twelve".