12479670 has 160 divisors (see below), whose sum is σ = 40144896. Its totient is φ = 2721600.

The previous prime is 12479653. The next prime is 12479671. The reversal of 12479670 is 7697421.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12479671) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 175735 + ... + 175805.

Almost surely, 2^12479670 is an apocalyptic number.

12479670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12479670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20072448).

12479670 is an abundant number, since it is smaller than the sum of its proper divisors (27665226).

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

12479670 is a wasteful number, since it uses less digits than its factorization.

12479670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 12479670 is about 3532.6576397947. The cubic root of 12479670 is about 231.9535554075.

The spelling of 12479670 in words is "twelve million, four hundred seventy-nine thousand, six hundred seventy".