12089290 has 16 divisors (see below), whose sum is σ = 21803112. Its totient is φ = 4826304.

The previous prime is 12089281. The next prime is 12089309. The reversal of 12089290 is 9298021.

It can be written as a sum of positive squares in 4 ways, for example, as 8625969 + 3463321 = 2937^2 + 1861^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6772 + ... + 8368.

Almost surely, 2^12089290 is an apocalyptic number.

12089290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12089290 is a deficient number, since it is larger than the sum of its proper divisors (9713822).

12089290 is a wasteful number, since it uses less digits than its factorization.

12089290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2361.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 12089290 is about 3476.9656311215. The cubic root of 12089290 is about 229.5092877580.

The spelling of 12089290 in words is "twelve million, eighty-nine thousand, two hundred ninety".