12523412 has 12 divisors (see below), whose sum is σ = 23908416. Its totient is φ = 5692440.

The previous prime is 12523393. The next prime is 12523417. The reversal of 12523412 is 21432521.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12523417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142268 + ... + 142355.

It is an arithmetic number, because the mean of its divisors is an integer number (1992368).

Almost surely, 2^12523412 is an apocalyptic number.

It is an amenable number.

12523412 is a deficient number, since it is larger than the sum of its proper divisors (11385004).

12523412 is a wasteful number, since it uses less digits than its factorization.

12523412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284638 (or 284636 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 12523412 is about 3538.8433138527. The cubic root of 12523412 is about 232.2242431528.

Adding to 12523412 its reverse (21432521), we get a palindrome (33955933).

It can be divided in two parts, 1252 and 3412, that added together give a palindrome (4664).

The spelling of 12523412 in words is "twelve million, five hundred twenty-three thousand, four hundred twelve".