12704999 has 2 divisors, whose sum is σ = 12705000. Its totient is φ = 12704998.

The previous prime is 12704981. The next prime is 12705031. The reversal of 12704999 is 99940721.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (99940721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12704999 - 2⁸ = 12704743 is a prime.

It is a super-2 number, since 2×12704999² = 322833999180002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12704959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6352499 + 6352500.

It is an arithmetic number, because the mean of its divisors is an integer number (6352500).

Almost surely, 2^12704999 is an apocalyptic number.

12704999 is a deficient number, since it is larger than the sum of its proper divisors (1).

12704999 is an equidigital number, since it uses as much as digits as its factorization.

12704999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 12704999 is about 3564.4072438485. The cubic root of 12704999 is about 233.3412634493.

The spelling of 12704999 in words is "twelve million, seven hundred four thousand, nine hundred ninety-nine".