12531274 has 16 divisors (see below), whose sum is σ = 22416768. Its totient is φ = 5136912.

The previous prime is 12531263. The next prime is 12531283. The reversal of 12531274 is 47213521.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19137 + ... + 19780.

It is an arithmetic number, because the mean of its divisors is an integer number (1401048).

Almost surely, 2^12531274 is an apocalyptic number.

12531274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12531274 is a deficient number, since it is larger than the sum of its proper divisors (9885494).

12531274 is a wasteful number, since it uses less digits than its factorization.

12531274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38949.

The product of its digits is 1680, while the sum is 25.

The square root of 12531274 is about 3539.9539545028. The cubic root of 12531274 is about 232.2728285563.

Adding to 12531274 its reverse (47213521), we get a palindrome (59744795).

The spelling of 12531274 in words is "twelve million, five hundred thirty-one thousand, two hundred seventy-four".