12279612 has 12 divisors (see below), whose sum is σ = 28652456. Its totient is φ = 4093200.

The previous prime is 12279587. The next prime is 12279647. The reversal of 12279612 is 21697221.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12279612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511639 + ... + 511662.

Almost surely, 2^12279612 is an apocalyptic number.

12279612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12279612 is an abundant number, since it is smaller than the sum of its proper divisors (16372844).

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

12279612 is a wasteful number, since it uses less digits than its factorization.

12279612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023308 (or 1023306 counting only the distinct ones).

The product of its digits is 3024, while the sum is 30.

The square root of 12279612 is about 3504.2277323256. The cubic root of 12279612 is about 230.7074123989.

The spelling of 12279612 in words is "twelve million, two hundred seventy-nine thousand, six hundred twelve".