12867612 has 12 divisors (see below), whose sum is σ = 30024456. Its totient is φ = 4289200.

The previous prime is 12867611. The next prime is 12867629. The reversal of 12867612 is 21676821.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12867611) 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, 536139 + ... + 536162.

It is an arithmetic number, because the mean of its divisors is an integer number (2502038).

Almost surely, 2^12867612 is an apocalyptic number.

12867612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12867612 is an abundant number, since it is smaller than the sum of its proper divisors (17156844).

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

12867612 is a wasteful number, since it uses less digits than its factorization.

12867612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072308 (or 1072306 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 12867612 is about 3587.1453831703. The cubic root of 12867612 is about 234.3325682474.

The spelling of 12867612 in words is "twelve million, eight hundred sixty-seven thousand, six hundred twelve".