12285272 has 32 divisors (see below), whose sum is σ = 23950080. Its totient is φ = 5903520.

The previous prime is 12285263. The next prime is 12285277. The reversal of 12285272 is 27258221.

It is a super-2 number, since 2×12285272² = 301855816227968, which contains 22 as substring.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12285277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24173 + ... + 24675.

It is an arithmetic number, because the mean of its divisors is an integer number (748440).

Almost surely, 2^12285272 is an apocalyptic number.

It is an amenable number.

12285272 is a deficient number, since it is larger than the sum of its proper divisors (11664808).

12285272 is a wasteful number, since it uses less digits than its factorization.

12285272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623 (or 619 counting only the distinct ones).

The product of its digits is 4480, while the sum is 29.

The square root of 12285272 is about 3505.0352352009. The cubic root of 12285272 is about 230.7428533498.

The spelling of 12285272 in words is "twelve million, two hundred eighty-five thousand, two hundred seventy-two".