12272358 has 32 divisors (see below), whose sum is σ = 28652544. Its totient is φ = 3431232.

The previous prime is 12272357. The next prime is 12272383. The reversal of 12272358 is 85327221.

It is a super-2 number, since 2×12272358² = 301221541760328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12272357) 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 15 ways as a sum of consecutive naturals, for example, 1135 + ... + 5082.

It is an arithmetic number, because the mean of its divisors is an integer number (895392).

Almost surely, 2^12272358 is an apocalyptic number.

12272358 is an abundant number, since it is smaller than the sum of its proper divisors (16380186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12272358 is a wasteful number, since it uses less digits than its factorization.

12272358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6276.

The product of its digits is 6720, while the sum is 30.

The square root of 12272358 is about 3503.1925439519. The cubic root of 12272358 is about 230.6619744480.

Adding to 12272358 its reverse (85327221), we get a palindrome (97599579).

The spelling of 12272358 in words is "twelve million, two hundred seventy-two thousand, three hundred fifty-eight".