12272259 has 4 divisors (see below), whose sum is σ = 16363016. Its totient is φ = 8181504.

The previous prime is 12272257. The next prime is 12272261. The reversal of 12272259 is 95227221.

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

It is an interprime number because it is at equal distance from previous prime (12272257) and next prime (12272261).

It is not a de Polignac number, because 12272259 - 2¹ = 12272257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12272257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2045374 + ... + 2045379.

It is an arithmetic number, because the mean of its divisors is an integer number (4090754).

Almost surely, 2^12272259 is an apocalyptic number.

12272259 is a deficient number, since it is larger than the sum of its proper divisors (4090757).

12272259 is an equidigital number, since it uses as much as digits as its factorization.

12272259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4090756.

The product of its digits is 5040, while the sum is 30.

The square root of 12272259 is about 3503.1784139550. The cubic root of 12272259 is about 230.6613542033.

It can be divided in two parts, 1227 and 2259, that added together give a triangular number (3486 = T₈₃).

The spelling of 12272259 in words is "twelve million, two hundred seventy-two thousand, two hundred fifty-nine".