12257371 has 4 divisors (see below), whose sum is σ = 14008432. Its totient is φ = 10506312.

The previous prime is 12257359. The next prime is 12257381. The reversal of 12257371 is 17375221.

12257371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17375221 = 31 ⋅560491.

It is a cyclic number.

It is not a de Polignac number, because 12257371 - 2⁵ = 12257339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12257351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 875520 + ... + 875533.

It is an arithmetic number, because the mean of its divisors is an integer number (3502108).

Almost surely, 2^12257371 is an apocalyptic number.

12257371 is a deficient number, since it is larger than the sum of its proper divisors (1751061).

12257371 is an equidigital number, since it uses as much as digits as its factorization.

12257371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751060.

The product of its digits is 2940, while the sum is 28.

The square root of 12257371 is about 3501.0528416464. The cubic root of 12257371 is about 230.5680414221.

The spelling of 12257371 in words is "twelve million, two hundred fifty-seven thousand, three hundred seventy-one".