12299290 has 16 divisors (see below), whose sum is σ = 22654368. Its totient is φ = 4805136.

The previous prime is 12299263. The next prime is 12299291. The reversal of 12299290 is 9299221.

It is not an unprimeable number, because it can be changed into a prime (12299291) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13872 + ... + 14731.

It is an arithmetic number, because the mean of its divisors is an integer number (1415898).

Almost surely, 2^12299290 is an apocalyptic number.

12299290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12299290 is a deficient number, since it is larger than the sum of its proper divisors (10355078).

12299290 is a wasteful number, since it uses less digits than its factorization.

12299290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28653.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 12299290 is about 3507.0343596834. The cubic root of 12299290 is about 230.8305823488.

The spelling of 12299290 in words is "twelve million, two hundred ninety-nine thousand, two hundred ninety".