12098990 has 24 divisors (see below), whose sum is σ = 22521240. Its totient is φ = 4679760.

The previous prime is 12098987. The next prime is 12099011. The reversal of 12098990 is 9989021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8981 + ... + 10239.

It is an arithmetic number, because the mean of its divisors is an integer number (938385).

Almost surely, 2^12098990 is an apocalyptic number.

12098990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12098990 is a deficient number, since it is larger than the sum of its proper divisors (10422250).

12098990 is a wasteful number, since it uses less digits than its factorization.

12098990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328 (or 1297 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 12098990 is about 3478.3602458630. The cubic root of 12098990 is about 229.5706546080.

The spelling of 12098990 in words is "twelve million, ninety-eight thousand, nine hundred ninety".