12479320 has 48 divisors (see below), whose sum is σ = 32667840. Its totient is φ = 4277952.

The previous prime is 12479297. The next prime is 12479321. The reversal of 12479320 is 2397421.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12479321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1224 + ... + 5143.

It is an arithmetic number, because the mean of its divisors is an integer number (680580).

Almost surely, 2^12479320 is an apocalyptic number.

12479320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12479320 is an abundant number, since it is smaller than the sum of its proper divisors (20188520).

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

12479320 is a wasteful number, since it uses less digits than its factorization.

12479320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6392 (or 6381 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 12479320 is about 3532.6081016722. The cubic root of 12479320 is about 231.9513869606.

The spelling of 12479320 in words is "twelve million, four hundred seventy-nine thousand, three hundred twenty".