12404863 has 2 divisors, whose sum is σ = 12404864. Its totient is φ = 12404862.

The previous prime is 12404827. The next prime is 12404897. The reversal of 12404863 is 36840421.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12404863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12404803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6202431 + 6202432.

It is an arithmetic number, because the mean of its divisors is an integer number (6202432).

Almost surely, 2^12404863 is an apocalyptic number.

12404863 is a deficient number, since it is larger than the sum of its proper divisors (1).

12404863 is an equidigital number, since it uses as much as digits as its factorization.

12404863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 12404863 is about 3522.0538042455. The cubic root of 12404863 is about 231.4891591501.

The spelling of 12404863 in words is "twelve million, four hundred four thousand, eight hundred sixty-three".