12357707 has 4 divisors (see below), whose sum is σ = 12365016. Its totient is φ = 12350400.

The previous prime is 12357679. The next prime is 12357731. The reversal of 12357707 is 70775321.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 70775321 = 2477 ⋅28573.

It is a cyclic number.

It is not a de Polignac number, because 12357707 - 2¹⁸ = 12095563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12357797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332 + ... + 4982.

It is an arithmetic number, because the mean of its divisors is an integer number (3091254).

Almost surely, 2^12357707 is an apocalyptic number.

12357707 is a deficient number, since it is larger than the sum of its proper divisors (7309).

12357707 is an equidigital number, since it uses as much as digits as its factorization.

12357707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7308.

The product of its (nonzero) digits is 10290, while the sum is 32.

The square root of 12357707 is about 3515.3530405921. The cubic root of 12357707 is about 231.1954580890.

The spelling of 12357707 in words is "twelve million, three hundred fifty-seven thousand, seven hundred seven".