12199290 has 32 divisors (see below), whose sum is σ = 29483136. Its totient is φ = 3230400.

The previous prime is 12199289. The next prime is 12199321. The reversal of 12199290 is 9299121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3184 + ... + 5876.

It is an arithmetic number, because the mean of its divisors is an integer number (921348).

Almost surely, 2^12199290 is an apocalyptic number.

12199290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12199290 is an abundant number, since it is smaller than the sum of its proper divisors (17283846).

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

12199290 is a wasteful number, since it uses less digits than its factorization.

12199290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2854.

The product of its (nonzero) digits is 2916, while the sum is 33.

The square root of 12199290 is about 3492.7482016315. The cubic root of 12199290 is about 230.2032859309.

The spelling of 12199290 in words is "twelve million, one hundred ninety-nine thousand, two hundred ninety".