12404999 has 2 divisors, whose sum is σ = 12405000. Its totient is φ = 12404998.

The previous prime is 12404989. The next prime is 12405007. The reversal of 12404999 is 99940421.

It is a happy number.

12404999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12404999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12404989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6202499 + 6202500.

It is an arithmetic number, because the mean of its divisors is an integer number (6202500).

Almost surely, 2^12404999 is an apocalyptic number.

12404999 is a deficient number, since it is larger than the sum of its proper divisors (1).

12404999 is an equidigital number, since it uses as much as digits as its factorization.

12404999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 12404999 is about 3522.0731111094. The cubic root of 12404999 is about 231.4900051197.

The spelling of 12404999 in words is "twelve million, four hundred four thousand, nine hundred ninety-nine".