12279012 has 24 divisors (see below), whose sum is σ = 28713216. Its totient is φ = 4084128.

The previous prime is 12279011. The next prime is 12279013. The reversal of 12279012 is 21097221.

It is an interprime number because it is at equal distance from previous prime (12279011) and next prime (12279013).

It is a super-2 number, since 2×12279012² = 301548271392288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12279011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7053 + ... + 8619.

It is an arithmetic number, because the mean of its divisors is an integer number (1196384).

Almost surely, 2^12279012 is an apocalyptic number.

12279012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12279012 is an abundant number, since it is smaller than the sum of its proper divisors (16434204).

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

12279012 is a wasteful number, since it uses less digits than its factorization.

12279012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227 (or 2225 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 12279012 is about 3504.1421204055. The cubic root of 12279012 is about 230.7036547692.

The spelling of 12279012 in words is "twelve million, two hundred seventy-nine thousand, twelve".