12107957 has 4 divisors (see below), whose sum is σ = 12253920. Its totient is φ = 11961996.

The previous prime is 12107941. The next prime is 12107969. The reversal of 12107957 is 75970121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75970121 = 43 ⋅1766747.

It is a cyclic number.

It is not a de Polignac number, because 12107957 - 2⁴ = 12107941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12107987) 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, 72857 + ... + 73022.

It is an arithmetic number, because the mean of its divisors is an integer number (3063480).

Almost surely, 2^12107957 is an apocalyptic number.

It is an amenable number.

12107957 is a deficient number, since it is larger than the sum of its proper divisors (145963).

12107957 is an equidigital number, since it uses as much as digits as its factorization.

12107957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145962.

The product of its (nonzero) digits is 4410, while the sum is 32.

The square root of 12107957 is about 3479.6489765492. The cubic root of 12107957 is about 229.6273549803.

The spelling of 12107957 in words is "twelve million, one hundred seven thousand, nine hundred fifty-seven".