12909926 has 12 divisors (see below), whose sum is σ = 19582092. Its totient is φ = 6383124.

The previous prime is 12909907. The next prime is 12909937. The reversal of 12909926 is 62990921.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12909926.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64775 + ... + 64973.

It is an arithmetic number, because the mean of its divisors is an integer number (1631841).

Almost surely, 2^12909926 is an apocalyptic number.

12909926 is a deficient number, since it is larger than the sum of its proper divisors (6672166).

12909926 is an equidigital number, since it uses as much as digits as its factorization.

12909926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 12909926 is about 3593.0385469683. The cubic root of 12909926 is about 234.5891478237.

The spelling of 12909926 in words is "twelve million, nine hundred nine thousand, nine hundred twenty-six".