12199790 has 32 divisors (see below), whose sum is σ = 22737024. Its totient is φ = 4710400.

The previous prime is 12199783. The next prime is 12199813. The reversal of 12199790 is 9799121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47342 + ... + 47598.

It is an arithmetic number, because the mean of its divisors is an integer number (710532).

Almost surely, 2^12199790 is an apocalyptic number.

12199790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12199790 is a deficient number, since it is larger than the sum of its proper divisors (10537234).

12199790 is a wasteful number, since it uses less digits than its factorization.

12199790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412.

The product of its (nonzero) digits is 10206, while the sum is 38.

The square root of 12199790 is about 3492.8197777727. The cubic root of 12199790 is about 230.2064309246.

The spelling of 12199790 in words is "twelve million, one hundred ninety-nine thousand, seven hundred ninety".