12257697 has 8 divisors (see below), whose sum is σ = 17305056. Its totient is φ = 7691072.

The previous prime is 12257677. The next prime is 12257711. The reversal of 12257697 is 79675221.

12257697 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12257697 - 2¹⁶ = 12192161 is a prime.

It is a super-2 number, since 2×12257697² = 300502271487618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12257627) 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 7 ways as a sum of consecutive naturals, for example, 120123 + ... + 120224.

It is an arithmetic number, because the mean of its divisors is an integer number (2163132).

Almost surely, 2^12257697 is an apocalyptic number.

12257697 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12257697 is a deficient number, since it is larger than the sum of its proper divisors (5047359).

12257697 is a wasteful number, since it uses less digits than its factorization.

12257697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240367.

The product of its digits is 52920, while the sum is 39.

The square root of 12257697 is about 3501.0993987603. The cubic root of 12257697 is about 230.5700854850.

The spelling of 12257697 in words is "twelve million, two hundred fifty-seven thousand, six hundred ninety-seven".