12479272 has 16 divisors (see below), whose sum is σ = 25198740. Its totient is φ = 5759616.

The previous prime is 12479263. The next prime is 12479273. The reversal of 12479272 is 27297421.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10150596 + 2328676 = 3186^2 + 1526^2 .

It is not an unprimeable number, because it can be changed into a prime (12479273) 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 3 ways as a sum of consecutive naturals, for example, 59893 + ... + 60100.

Almost surely, 2^12479272 is an apocalyptic number.

It is an amenable number.

12479272 is an abundant number, since it is smaller than the sum of its proper divisors (12719468).

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

12479272 is a wasteful number, since it uses less digits than its factorization.

12479272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120012 (or 120008 counting only the distinct ones).

The product of its digits is 14112, while the sum is 34.

The square root of 12479272 is about 3532.6013078184. The cubic root of 12479272 is about 231.9510895705.

The spelling of 12479272 in words is "twelve million, four hundred seventy-nine thousand, two hundred seventy-two".