12132690 has 16 divisors (see below), whose sum is σ = 29118528. Its totient is φ = 3235376.

The previous prime is 12132689. The next prime is 12132709. The reversal of 12132690 is 9623121.

It is a super-2 number, since 2×12132690² = 294404333272200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12132690.

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, 202182 + ... + 202241.

It is an arithmetic number, because the mean of its divisors is an integer number (1819908).

Almost surely, 2^12132690 is an apocalyptic number.

12132690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12132690 is an abundant number, since it is smaller than the sum of its proper divisors (16985838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12132690 is a wasteful number, since it uses less digits than its factorization.

12132690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404433.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 12132690 is about 3483.2011139181. The cubic root of 12132690 is about 229.7836023873.

The spelling of 12132690 in words is "twelve million, one hundred thirty-two thousand, six hundred ninety".