12245999 has 2 divisors, whose sum is σ = 12246000. Its totient is φ = 12245998.

The previous prime is 12245993. The next prime is 12246029. The reversal of 12245999 is 99954221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12245999 - 2⁴ = 12245983 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12245993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6122999 + 6123000.

It is an arithmetic number, because the mean of its divisors is an integer number (6123000).

Almost surely, 2^12245999 is an apocalyptic number.

12245999 is a deficient number, since it is larger than the sum of its proper divisors (1).

12245999 is an equidigital number, since it uses as much as digits as its factorization.

12245999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 41.

The square root of 12245999 is about 3499.4283818932. The cubic root of 12245999 is about 230.4967147876.

The spelling of 12245999 in words is "twelve million, two hundred forty-five thousand, nine hundred ninety-nine".