12272486 has 4 divisors (see below), whose sum is σ = 18408732. Its totient is φ = 6136242.

The previous prime is 12272483. The next prime is 12272549. The reversal of 12272486 is 68427221.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×12272486² = 301227825240392, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12272483) 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 as a sum of consecutive naturals, namely, 3068120 + ... + 3068123.

It is an arithmetic number, because the mean of its divisors is an integer number (4602183).

Almost surely, 2^12272486 is an apocalyptic number.

12272486 is a deficient number, since it is larger than the sum of its proper divisors (6136246).

12272486 is an equidigital number, since it uses as much as digits as its factorization.

12272486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6136245.

The product of its digits is 10752, while the sum is 32.

The square root of 12272486 is about 3503.2108129543. The cubic root of 12272486 is about 230.6627763757.

The spelling of 12272486 in words is "twelve million, two hundred seventy-two thousand, four hundred eighty-six".