12909092 has 24 divisors (see below), whose sum is σ = 25931136. Its totient is φ = 5508288.

The previous prime is 12909077. The next prime is 12909097. The reversal of 12909092 is 29090921.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12909097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6488 + ... + 8240.

It is an arithmetic number, because the mean of its divisors is an integer number (1080464).

Almost surely, 2^12909092 is an apocalyptic number.

It is an amenable number.

12909092 is an abundant number, since it is smaller than the sum of its proper divisors (13022044).

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

12909092 is a wasteful number, since it uses less digits than its factorization.

12909092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027 (or 2025 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 12909092 is about 3592.9224873353. The cubic root of 12909092 is about 234.5840961149.

The spelling of 12909092 in words is "twelve million, nine hundred nine thousand, ninety-two".