12533404 has 12 divisors (see below), whose sum is σ = 23620744. Its totient is φ = 5784624.

The previous prime is 12533377. The next prime is 12533441. The reversal of 12533404 is 40433521.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 120462 + ... + 120565.

Almost surely, 2^12533404 is an apocalyptic number.

It is an amenable number.

12533404 is a deficient number, since it is larger than the sum of its proper divisors (11087340).

12533404 is a wasteful number, since it uses less digits than its factorization.

12533404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241044 (or 241042 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 12533404 is about 3540.2547930905. The cubic root of 12533404 is about 232.2859879817.

Adding to 12533404 its reverse (40433521), we get a palindrome (52966925).

The spelling of 12533404 in words is "twelve million, five hundred thirty-three thousand, four hundred four".