12497617 has 4 divisors (see below), whose sum is σ = 13633776. Its totient is φ = 11361460.

The previous prime is 12497603. The next prime is 12497621. The reversal of 12497617 is 71679421.

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 not a de Polignac number, because 12497617 - 2⁷ = 12497489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12497627) 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, 568063 + ... + 568084.

It is an arithmetic number, because the mean of its divisors is an integer number (3408444).

Almost surely, 2^12497617 is an apocalyptic number.

It is an amenable number.

12497617 is a deficient number, since it is larger than the sum of its proper divisors (1136159).

12497617 is a wasteful number, since it uses less digits than its factorization.

12497617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136158.

The product of its digits is 21168, while the sum is 37.

The square root of 12497617 is about 3535.1968827775. The cubic root of 12497617 is about 232.0646928684.

The spelling of 12497617 in words is "twelve million, four hundred ninety-seven thousand, six hundred seventeen".