12118490 has 16 divisors (see below), whose sum is σ = 21881448. Its totient is φ = 4832256.

The previous prime is 12118487. The next prime is 12118529. The reversal of 12118490 is 9481121.

It can be written as a sum of positive squares in 4 ways, for example, as 8288641 + 3829849 = 2879^2 + 1957^2 .

It is a Curzon number.

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, 1814 + ... + 5246.

Almost surely, 2^12118490 is an apocalyptic number.

12118490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12118490 is a deficient number, since it is larger than the sum of its proper divisors (9762958).

12118490 is a wasteful number, since it uses less digits than its factorization.

12118490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3793.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 12118490 is about 3481.1621622671. The cubic root of 12118490 is about 229.6939217820.

The spelling of 12118490 in words is "twelve million, one hundred eighteen thousand, four hundred ninety".