12932990 has 32 divisors (see below), whose sum is σ = 27177984. Its totient is φ = 4338720.

The previous prime is 12932957. The next prime is 12933013. The reversal of 12932990 is 9923921.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 12932990.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1325 + ... + 5255.

It is an arithmetic number, because the mean of its divisors is an integer number (849312).

Almost surely, 2^12932990 is an apocalyptic number.

12932990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12932990 is an abundant number, since it is smaller than the sum of its proper divisors (14244994).

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

12932990 is a wasteful number, since it uses less digits than its factorization.

12932990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3992.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 12932990 is about 3596.2466544997. The cubic root of 12932990 is about 234.7287650777.

The spelling of 12932990 in words is "twelve million, nine hundred thirty-two thousand, nine hundred ninety".