12929999 has 2 divisors, whose sum is σ = 12930000. Its totient is φ = 12929998.

The previous prime is 12929981. The next prime is 12930011. The reversal of 12929999 is 99992921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12929999 - 2¹² = 12925903 is a prime.

It is a Chen prime.

12929999 is a modest number, since divided by 9999 gives 1292 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12929599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6464999 + 6465000.

It is an arithmetic number, because the mean of its divisors is an integer number (6465000).

Almost surely, 2^12929999 is an apocalyptic number.

12929999 is a deficient number, since it is larger than the sum of its proper divisors (1).

12929999 is an equidigital number, since it uses as much as digits as its factorization.

12929999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 236196, while the sum is 50.

The square root of 12929999 is about 3595.8307802231. The cubic root of 12929999 is about 234.7106685183.

The spelling of 12929999 in words is "twelve million, nine hundred twenty-nine thousand, nine hundred ninety-nine".