12132436 has 12 divisors (see below), whose sum is σ = 21281428. Its totient is φ = 6052032.

The previous prime is 12132401. The next prime is 12132443. The reversal of 12132436 is 63423121.

It can be written as a sum of positive squares in 2 ways, for example, as 4536900 + 7595536 = 2130^2 + 2756^2 .

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, 1491 + ... + 5146.

Almost surely, 2^12132436 is an apocalyptic number.

It is an amenable number.

12132436 is a deficient number, since it is larger than the sum of its proper divisors (9148992).

12132436 is a wasteful number, since it uses less digits than its factorization.

12132436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7098 (or 7096 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 12132436 is about 3483.1646530131. The cubic root of 12132436 is about 229.7819988561.

Adding to 12132436 its reverse (63423121), we get a palindrome (75555557).

The spelling of 12132436 in words is "twelve million, one hundred thirty-two thousand, four hundred thirty-six".