12531411 has 6 divisors (see below), whose sum is σ = 18100940. Its totient is φ = 8354268.

The previous prime is 12531391. The next prime is 12531437. The reversal of 12531411 is 11413521.

12531411 is a `hidden beast` number, since 1 + 253 + 1 + 411 = 666.

It is not a de Polignac number, because 12531411 - 2⁷ = 12531283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12531461) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 696181 + ... + 696198.

Almost surely, 2^12531411 is an apocalyptic number.

12531411 is a deficient number, since it is larger than the sum of its proper divisors (5569529).

12531411 is a wasteful number, since it uses less digits than its factorization.

12531411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392385 (or 1392382 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 12531411 is about 3539.9733049841. The cubic root of 12531411 is about 232.2736750055.

Adding to 12531411 its reverse (11413521), we get a palindrome (23944932).

The spelling of 12531411 in words is "twelve million, five hundred thirty-one thousand, four hundred eleven".