12740697 has 12 divisors (see below), whose sum is σ = 19372080. Its totient is φ = 8046648.

The previous prime is 12740677. The next prime is 12740699. The reversal of 12740697 is 79604721.

It is a happy number.

It is not a de Polignac number, because 12740697 - 2¹⁰ = 12739673 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12740699) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37083 + ... + 37424.

It is an arithmetic number, because the mean of its divisors is an integer number (1614340).

Almost surely, 2^12740697 is an apocalyptic number.

It is an amenable number.

12740697 is a deficient number, since it is larger than the sum of its proper divisors (6631383).

12740697 is a wasteful number, since it uses less digits than its factorization.

12740697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74532 (or 74529 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 12740697 is about 3569.4112959983. The cubic root of 12740697 is about 233.5596034109.

The spelling of 12740697 in words is "twelve million, seven hundred forty thousand, six hundred ninety-seven".