12279792 has 120 divisors (see below), whose sum is σ = 38676096. Its totient is φ = 3341184.

The previous prime is 12279781. The next prime is 12279793. The reversal of 12279792 is 29797221.

It is a self number, because there is not a number n which added to its sum of digits gives 12279792.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12279793) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53983 + ... + 54209.

Almost surely, 2^12279792 is an apocalyptic number.

12279792 is a gapful number since it is divisible by the number (12) 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 12279792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19338048).

12279792 is an abundant number, since it is smaller than the sum of its proper divisors (26396304).

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

12279792 is a wasteful number, since it uses less digits than its factorization.

12279792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 262 counting only the distinct ones).

The product of its digits is 31752, while the sum is 39.

The square root of 12279792 is about 3504.2534154938. The cubic root of 12279792 is about 230.7085396639.

The spelling of 12279792 in words is "twelve million, two hundred seventy-nine thousand, seven hundred ninety-two".