12257111 has 8 divisors (see below), whose sum is σ = 12762480. Its totient is φ = 11757312.

The previous prime is 12257093. The next prime is 12257117. The reversal of 12257111 is 11175221.

It is a happy number.

12257111 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 a cyclic number.

It is not a de Polignac number, because 12257111 - 2¹⁰ = 12256087 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 (12257117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3431 + ... + 6023.

It is an arithmetic number, because the mean of its divisors is an integer number (1595310).

Almost surely, 2^12257111 is an apocalyptic number.

12257111 is a deficient number, since it is larger than the sum of its proper divisors (505369).

12257111 is a wasteful number, since it uses less digits than its factorization.

12257111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2785.

The product of its digits is 140, while the sum is 20.

The square root of 12257111 is about 3501.0157097620. The cubic root of 12257111 is about 230.5664111618.

The spelling of 12257111 in words is "twelve million, two hundred fifty-seven thousand, one hundred eleven".