12079920 has 40 divisors (see below), whose sum is σ = 37448496. Its totient is φ = 3221248.

The previous prime is 12079913. The next prime is 12079927. The reversal of 12079920 is 2997021.

It is an interprime number because it is at equal distance from previous prime (12079913) and next prime (12079927).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (12079927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24927 + ... + 25406.

Almost surely, 2^12079920 is an apocalyptic number.

12079920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12079920 is an abundant number, since it is smaller than the sum of its proper divisors (25368576).

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

12079920 is a wasteful number, since it uses less digits than its factorization.

12079920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50349 (or 50343 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 12079920 is about 3475.6179306707. The cubic root of 12079920 is about 229.4499774688.

The spelling of 12079920 in words is "twelve million, seventy-nine thousand, nine hundred twenty".