12090274 has 32 divisors (see below), whose sum is σ = 21732480. Its totient is φ = 4935168.

The previous prime is 12090269. The next prime is 12090283. The reversal of 12090274 is 47209021.

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, 39229 + ... + 39535.

It is an arithmetic number, because the mean of its divisors is an integer number (679140).

Almost surely, 2^12090274 is an apocalyptic number.

12090274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12090274 is a deficient number, since it is larger than the sum of its proper divisors (9642206).

12090274 is a wasteful number, since it uses less digits than its factorization.

12090274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 12090274 is about 3477.1071309351. The cubic root of 12090274 is about 229.5155145095.

Adding to 12090274 its reverse (47209021), we get a palindrome (59299295).

The spelling of 12090274 in words is "twelve million, ninety thousand, two hundred seventy-four".