12007999 has 2 divisors, whose sum is σ = 12008000. Its totient is φ = 12007998.

The previous prime is 12007939. The next prime is 12008027. The reversal of 12007999 is 99970021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12007999 - 2⁷ = 12007871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12007939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6003999 + 6004000.

It is an arithmetic number, because the mean of its divisors is an integer number (6004000).

Almost surely, 2^12007999 is an apocalyptic number.

12007999 is a deficient number, since it is larger than the sum of its proper divisors (1).

12007999 is an equidigital number, since it uses as much as digits as its factorization.

12007999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 37.

The square root of 12007999 is about 3465.2559790007. The cubic root of 12007999 is about 228.9937070409.

The spelling of 12007999 in words is "twelve million, seven thousand, nine hundred ninety-nine".