12495993 has 4 divisors (see below), whose sum is σ = 16661328. Its totient is φ = 8330660.

The previous prime is 12495991. The next prime is 12496027. The reversal of 12495993 is 39959421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12495993 - 2¹ = 12495991 is a prime.

It is a super-2 number, since 2×12495993² = 312299682112098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12495991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2082663 + ... + 2082668.

It is an arithmetic number, because the mean of its divisors is an integer number (4165332).

Almost surely, 2^12495993 is an apocalyptic number.

It is an amenable number.

12495993 is a deficient number, since it is larger than the sum of its proper divisors (4165335).

12495993 is an equidigital number, since it uses as much as digits as its factorization.

12495993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4165334.

The product of its digits is 87480, while the sum is 42.

The square root of 12495993 is about 3534.9671851376. The cubic root of 12495993 is about 232.0546405684.

The spelling of 12495993 in words is "twelve million, four hundred ninety-five thousand, nine hundred ninety-three".