12757707 has 6 divisors (see below), whose sum is σ = 18427812. Its totient is φ = 8505132.

The previous prime is 12757649. The next prime is 12757739. The reversal of 12757707 is 70775721.

It is a happy number.

12757707 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12757707 - 2⁶ = 12757643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12757807) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 708753 + ... + 708770.

It is an arithmetic number, because the mean of its divisors is an integer number (3071302).

Almost surely, 2^12757707 is an apocalyptic number.

12757707 is a deficient number, since it is larger than the sum of its proper divisors (5670105).

12757707 is a wasteful number, since it uses less digits than its factorization.

12757707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417529 (or 1417526 counting only the distinct ones).

The product of its (nonzero) digits is 24010, while the sum is 36.

The square root of 12757707 is about 3571.7932470959. The cubic root of 12757707 is about 233.6634983581.

The spelling of 12757707 in words is "twelve million, seven hundred fifty-seven thousand, seven hundred seven".