12182090 has 8 divisors (see below), whose sum is σ = 21927780. Its totient is φ = 4872832.

The previous prime is 12182089. The next prime is 12182123. The reversal of 12182090 is 9028121.

12182090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11215801 + 966289 = 3349^2 + 983^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 609095 + ... + 609114.

Almost surely, 2^12182090 is an apocalyptic number.

12182090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12182090 is a deficient number, since it is larger than the sum of its proper divisors (9745690).

12182090 is a wasteful number, since it uses less digits than its factorization.

12182090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218216.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 12182090 is about 3490.2850886425. The cubic root of 12182090 is about 230.0950457838.

The spelling of 12182090 in words is "twelve million, one hundred eighty-two thousand, ninety".