12107290 has 16 divisors (see below), whose sum is σ = 23469768. Its totient is φ = 4470336.

The previous prime is 12107279. The next prime is 12107321. The reversal of 12107290 is 9270121.

It can be written as a sum of positive squares in 4 ways, for example, as 5517801 + 6589489 = 2349^2 + 2567^2 .

It is a super-2 number, since 2×12107290² = 293172942288200, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

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 7 ways as a sum of consecutive naturals, for example, 46437 + ... + 46696.

Almost surely, 2^12107290 is an apocalyptic number.

12107290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12107290 is a deficient number, since it is larger than the sum of its proper divisors (11362478).

12107290 is a wasteful number, since it uses less digits than its factorization.

12107290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93153.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 12107290 is about 3479.5531322283. The cubic root of 12107290 is about 229.6231383521.

It can be divided in two parts, 1210 and 7290, that multiplied together give a square (8820900 = 2970²).

The spelling of 12107290 in words is "twelve million, one hundred seven thousand, two hundred ninety".