12272057 has 4 divisors (see below), whose sum is σ = 14025216. Its totient is φ = 10518900.

The previous prime is 12272047. The next prime is 12272069. The reversal of 12272057 is 75027221.

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 not a de Polignac number, because 12272057 - 2⁸ = 12271801 is a prime.

It is a super-2 number, since 2×12272057² = 301206766022498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12272047) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 876569 + ... + 876582.

It is an arithmetic number, because the mean of its divisors is an integer number (3506304).

Almost surely, 2^12272057 is an apocalyptic number.

It is an amenable number.

12272057 is a deficient number, since it is larger than the sum of its proper divisors (1753159).

12272057 is an equidigital number, since it uses as much as digits as its factorization.

12272057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753158.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 12272057 is about 3503.1495828754. The cubic root of 12272057 is about 230.6600886430.

Adding to 12272057 its reverse (75027221), we get a palindrome (87299278).

The spelling of 12272057 in words is "twelve million, two hundred seventy-two thousand, fifty-seven".