12132404 has 6 divisors (see below), whose sum is σ = 21231714. Its totient is φ = 6066200.

The previous prime is 12132401. The next prime is 12132443. The reversal of 12132404 is 40423121.

It can be written as a sum of positive squares in only one way, i.e., 8702500 + 3429904 = 2950^2 + 1852^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12132401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1516547 + ... + 1516554.

It is an arithmetic number, because the mean of its divisors is an integer number (3538619).

Almost surely, 2^12132404 is an apocalyptic number.

It is an amenable number.

12132404 is a deficient number, since it is larger than the sum of its proper divisors (9099310).

12132404 is a wasteful number, since it uses less digits than its factorization.

12132404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3033105 (or 3033103 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 12132404 is about 3483.1600594862. The cubic root of 12132404 is about 229.7817968348.

Adding to 12132404 its reverse (40423121), we get a palindrome (52555525).

The spelling of 12132404 in words is "twelve million, one hundred thirty-two thousand, four hundred four".