12432757 has 2 divisors, whose sum is σ = 12432758. Its totient is φ = 12432756.

The previous prime is 12432737. The next prime is 12432773. The reversal of 12432757 is 75723421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12432676 + 81 = 3526^2 + 9^2 .

It is a cyclic number.

It is not a de Polignac number, because 12432757 - 2¹¹ = 12430709 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12432737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6216378 + 6216379.

It is an arithmetic number, because the mean of its divisors is an integer number (6216379).

Almost surely, 2^12432757 is an apocalyptic number.

It is an amenable number.

12432757 is a deficient number, since it is larger than the sum of its proper divisors (1).

12432757 is an equidigital number, since it uses as much as digits as its factorization.

12432757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11760, while the sum is 31.

The square root of 12432757 is about 3526.0114860845. The cubic root of 12432757 is about 231.6625407428.

The spelling of 12432757 in words is "twelve million, four hundred thirty-two thousand, seven hundred fifty-seven".