12501612 has 36 divisors (see below), whose sum is σ = 31755360. Its totient is φ = 4146912.

The previous prime is 12501607. The next prime is 12501617. The reversal of 12501612 is 21610521.

12501612 is a `hidden beast` number, since 1 + 2 + 50 + 1 + 612 = 666.

It is an interprime number because it is at equal distance from previous prime (12501607) and next prime (12501617).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

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

It is not an unprimeable number, because it can be changed into a prime (12501617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7878 + ... + 9330.

Almost surely, 2^12501612 is an apocalyptic number.

12501612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12501612 is an abundant number, since it is smaller than the sum of its proper divisors (19253748).

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

12501612 is a wasteful number, since it uses less digits than its factorization.

12501612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702 (or 1697 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 12501612 is about 3535.7618698097. The cubic root of 12501612 is about 232.0894175734.

The spelling of 12501612 in words is "twelve million, five hundred one thousand, six hundred twelve".