12527131 has 8 divisors (see below), whose sum is σ = 13062528. Its totient is φ = 12000000.

The previous prime is 12527129. The next prime is 12527173. The reversal of 12527131 is 13172521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 8-Lehmer number, since φ(12527131) divides (12527131-1)⁸.

It is a cyclic number.

It is not a de Polignac number, because 12527131 - 2¹ = 12527129 is a prime.

It is a super-2 number, since 2×12527131² = 313858022182322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12527731) 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, 1131 + ... + 5131.

It is an arithmetic number, because the mean of its divisors is an integer number (1632816).

Almost surely, 2^12527131 is an apocalyptic number.

12527131 is a deficient number, since it is larger than the sum of its proper divisors (535397).

12527131 is a wasteful number, since it uses less digits than its factorization.

12527131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4133.

The product of its digits is 420, while the sum is 22.

The square root of 12527131 is about 3539.3687290250. The cubic root of 12527131 is about 232.2472282755.

Adding to 12527131 its reverse (13172521), we get a palindrome (25699652).

The spelling of 12527131 in words is "twelve million, five hundred twenty-seven thousand, one hundred thirty-one".