12133504 has 16 divisors (see below), whose sum is σ = 24172470. Its totient is φ = 6066688.

The previous prime is 12133487. The next prime is 12133519. The reversal of 12133504 is 40533121.

It can be written as a sum of positive squares in only one way, i.e., 12110400 + 23104 = 3480^2 + 152^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47269 + ... + 47524.

Almost surely, 2^12133504 is an apocalyptic number.

It is an amenable number.

12133504 is a deficient number, since it is larger than the sum of its proper divisors (12038966).

12133504 is an frugal number, since it uses more digits than its factorization.

12133504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94807 (or 94795 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 12133504 is about 3483.3179584988. The cubic root of 12133504 is about 229.7887411122.

Adding to 12133504 its reverse (40533121), we get a palindrome (52666625).

The spelling of 12133504 in words is "twelve million, one hundred thirty-three thousand, five hundred four".