12571272 has 48 divisors (see below), whose sum is σ = 38912640. Its totient is φ = 3591648.

The previous prime is 12571267. The next prime is 12571301. The reversal of 12571272 is 27217521.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 11968 + ... + 12975.

It is an arithmetic number, because the mean of its divisors is an integer number (810680).

Almost surely, 2^12571272 is an apocalyptic number.

12571272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12571272 is an abundant number, since it is smaller than the sum of its proper divisors (26341368).

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

12571272 is a wasteful number, since it uses less digits than its factorization.

12571272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24962 (or 24955 counting only the distinct ones).

The product of its digits is 1960, while the sum is 27.

The square root of 12571272 is about 3545.5989620937. The cubic root of 12571272 is about 232.5196930943.

Adding to 12571272 its reverse (27217521), we get a palindrome (39788793).

The spelling of 12571272 in words is "twelve million, five hundred seventy-one thousand, two hundred seventy-two".