12398120 has 32 divisors (see below), whose sum is σ = 31881600. Its totient is φ = 4250688.

The previous prime is 12398119. The next prime is 12398137. The reversal of 12398120 is 2189321.

12398120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12398120.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21860 + ... + 22419.

It is an arithmetic number, because the mean of its divisors is an integer number (996300).

Almost surely, 2^12398120 is an apocalyptic number.

12398120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12398120 is an abundant number, since it is smaller than the sum of its proper divisors (19483480).

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

12398120 is a wasteful number, since it uses less digits than its factorization.

12398120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44297 (or 44293 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 12398120 is about 3521.0964201510. The cubic root of 12398120 is about 231.4472074758.

The spelling of 12398120 in words is "twelve million, three hundred ninety-eight thousand, one hundred twenty".