12766497 has 8 divisors (see below), whose sum is σ = 17042400. Its totient is φ = 8500800.

The previous prime is 12766483. The next prime is 12766519. The reversal of 12766497 is 79466721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12766497 - 2⁸ = 12766241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12716497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1129 + ... + 5177.

It is an arithmetic number, because the mean of its divisors is an integer number (2130300).

Almost surely, 2^12766497 is an apocalyptic number.

It is an amenable number.

12766497 is a deficient number, since it is larger than the sum of its proper divisors (4275903).

12766497 is a wasteful number, since it uses less digits than its factorization.

12766497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5103.

The product of its digits is 127008, while the sum is 42.

The square root of 12766497 is about 3573.0235095784. The cubic root of 12766497 is about 233.7171503877.

The spelling of 12766497 in words is "twelve million, seven hundred sixty-six thousand, four hundred ninety-seven".