12992620 has 12 divisors (see below), whose sum is σ = 27284544. Its totient is φ = 5197040.

The previous prime is 12992611. The next prime is 12992621. The reversal of 12992620 is 2629921.

It is not an unprimeable number, because it can be changed into a prime (12992621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324796 + ... + 324835.

It is an arithmetic number, because the mean of its divisors is an integer number (2273712).

Almost surely, 2^12992620 is an apocalyptic number.

12992620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12992620 is an abundant number, since it is smaller than the sum of its proper divisors (14291924).

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

12992620 is a wasteful number, since it uses less digits than its factorization.

12992620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649640 (or 649638 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 12992620 is about 3604.5277083135. The cubic root of 12992620 is about 235.0889658625.

The spelling of 12992620 in words is "twelve million, nine hundred ninety-two thousand, six hundred twenty".