12442999 has 2 divisors, whose sum is σ = 12443000. Its totient is φ = 12442998.

The previous prime is 12442993. The next prime is 12443029. The reversal of 12442999 is 99924421.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12442999 is a prime.

It is a super-2 number, since 2×12442999² = 309656448228002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12442993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6221499 + 6221500.

It is an arithmetic number, because the mean of its divisors is an integer number (6221500).

Almost surely, 2^12442999 is an apocalyptic number.

12442999 is a deficient number, since it is larger than the sum of its proper divisors (1).

12442999 is an equidigital number, since it uses as much as digits as its factorization.

12442999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 40.

The square root of 12442999 is about 3527.4635363105. The cubic root of 12442999 is about 231.7261371628.

The spelling of 12442999 in words is "twelve million, four hundred forty-two thousand, nine hundred ninety-nine".