12257455 has 8 divisors (see below), whose sum is σ = 16810272. Its totient is φ = 8405088.

The previous prime is 12257447. The next prime is 12257473. The reversal of 12257455 is 55475221.

12257455 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 12257455 - 2³ = 12257447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175072 + ... + 175141.

It is an arithmetic number, because the mean of its divisors is an integer number (2101284).

Almost surely, 2^12257455 is an apocalyptic number.

12257455 is a deficient number, since it is larger than the sum of its proper divisors (4552817).

12257455 is an equidigital number, since it uses as much as digits as its factorization.

12257455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350225.

The product of its digits is 14000, while the sum is 31.

The square root of 12257455 is about 3501.0648380171. The cubic root of 12257455 is about 230.5685681166.

The spelling of 12257455 in words is "twelve million, two hundred fifty-seven thousand, four hundred fifty-five".