12260857 has 4 divisors (see below), whose sum is σ = 14012416. Its totient is φ = 10509300.

The previous prime is 12260837. The next prime is 12260867. The reversal of 12260857 is 75806221.

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.

It is a cyclic number.

It is not a de Polignac number, because 12260857 - 2¹¹ = 12258809 is a prime.

It is a super-2 number, since 2×12260857² = 300657228748898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12260827) 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, 875769 + ... + 875782.

It is an arithmetic number, because the mean of its divisors is an integer number (3503104).

Almost surely, 2^12260857 is an apocalyptic number.

It is an amenable number.

12260857 is a deficient number, since it is larger than the sum of its proper divisors (1751559).

12260857 is an equidigital number, since it uses as much as digits as its factorization.

12260857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751558.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 12260857 is about 3501.5506564949. The cubic root of 12260857 is about 230.5898972237.

The spelling of 12260857 in words is "twelve million, two hundred sixty thousand, eight hundred fifty-seven".