12479649 has 32 divisors (see below), whose sum is σ = 21692160. Its totient is φ = 6193152.

The previous prime is 12479647. The next prime is 12479651. The reversal of 12479649 is 94697421.

12479649 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12479647) and next prime (12479651).

It is not a de Polignac number, because 12479649 - 2¹ = 12479647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12479649.

It is not an unprimeable number, because it can be changed into a prime (12479647) 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 31 ways as a sum of consecutive naturals, for example, 3297 + ... + 5985.

It is an arithmetic number, because the mean of its divisors is an integer number (677880).

Almost surely, 2^12479649 is an apocalyptic number.

It is an amenable number.

12479649 is a deficient number, since it is larger than the sum of its proper divisors (9212511).

12479649 is a wasteful number, since it uses less digits than its factorization.

12479649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2729.

The product of its digits is 108864, while the sum is 42.

The square root of 12479649 is about 3532.6546675270. The cubic root of 12479649 is about 231.9534253018.

The spelling of 12479649 in words is "twelve million, four hundred seventy-nine thousand, six hundred forty-nine".