12479580 has 144 divisors (see below), whose sum is σ = 41277600. Its totient is φ = 3041280.

The previous prime is 12479567. The next prime is 12479587. The reversal of 12479580 is 8597421.

12479580 is a `hidden beast` number, since 1 + 2 + 4 + 79 + 580 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12479587) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 140176 + ... + 140264.

It is an arithmetic number, because the mean of its divisors is an integer number (286650).

Almost surely, 2^12479580 is an apocalyptic number.

12479580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12479580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20638800).

12479580 is an abundant number, since it is smaller than the sum of its proper divisors (28798020).

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

12479580 is a wasteful number, since it uses less digits than its factorization.

12479580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 12479580 is about 3532.6449014867. The cubic root of 12479580 is about 231.9529978107.

The spelling of 12479580 in words is "twelve million, four hundred seventy-nine thousand, five hundred eighty".