12523404 has 12 divisors (see below), whose sum is σ = 29221304. Its totient is φ = 4174464.

The previous prime is 12523393. The next prime is 12523417. The reversal of 12523404 is 40432521.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521797 + ... + 521820.

Almost surely, 2^12523404 is an apocalyptic number.

It is an amenable number.

12523404 is an abundant number, since it is smaller than the sum of its proper divisors (16697900).

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

12523404 is a wasteful number, since it uses less digits than its factorization.

12523404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043624 (or 1043622 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 12523404 is about 3538.8421835397. The cubic root of 12523404 is about 232.2241937042.

Adding to 12523404 its reverse (40432521), we get a palindrome (52955925).

It can be divided in two parts, 1252 and 3404, that added together give a triangular number (4656 = T₉₆).

The spelling of 12523404 in words is "twelve million, five hundred twenty-three thousand, four hundred four".