12421092 has 24 divisors (see below), whose sum is σ = 29083936. Its totient is φ = 4125888.

The previous prime is 12421061. The next prime is 12421099. The reversal of 12421092 is 29012421.

It is not an unprimeable number, because it can be changed into a prime (12421099) 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, 2103 + ... + 5409.

Almost surely, 2^12421092 is an apocalyptic number.

12421092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12421092 is an abundant number, since it is smaller than the sum of its proper divisors (16662844).

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

12421092 is a wasteful number, since it uses less digits than its factorization.

12421092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3627 (or 3625 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 12421092 is about 3524.3569626245. The cubic root of 12421092 is about 231.5900658247.

The spelling of 12421092 in words is "twelve million, four hundred twenty-one thousand, ninety-two".