12497973 has 4 divisors (see below), whose sum is σ = 16663968. Its totient is φ = 8331980.

The previous prime is 12497951. The next prime is 12497987. The reversal of 12497973 is 37979421.

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 12497973 - 2⁶ = 12497909 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12497273) 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, 2082993 + ... + 2082998.

It is an arithmetic number, because the mean of its divisors is an integer number (4165992).

Almost surely, 2^12497973 is an apocalyptic number.

It is an amenable number.

12497973 is a deficient number, since it is larger than the sum of its proper divisors (4165995).

12497973 is an equidigital number, since it uses as much as digits as its factorization.

12497973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4165994.

The product of its digits is 95256, while the sum is 42.

The square root of 12497973 is about 3535.2472332215. The cubic root of 12497973 is about 232.0668963351.

The spelling of 12497973 in words is "twelve million, four hundred ninety-seven thousand, nine hundred seventy-three".