12427132 has 6 divisors (see below), whose sum is σ = 21747488. Its totient is φ = 6213564.

The previous prime is 12427117. The next prime is 12427139. The reversal of 12427132 is 23172421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12427139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1553388 + ... + 1553395.

Almost surely, 2^12427132 is an apocalyptic number.

It is an amenable number.

12427132 is a deficient number, since it is larger than the sum of its proper divisors (9320356).

12427132 is a wasteful number, since it uses less digits than its factorization.

12427132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3106787 (or 3106785 counting only the distinct ones).

The product of its digits is 672, while the sum is 22.

The square root of 12427132 is about 3525.2137523844. The cubic root of 12427132 is about 231.6275981482.

Adding to 12427132 its reverse (23172421), we get a palindrome (35599553).

The spelling of 12427132 in words is "twelve million, four hundred twenty-seven thousand, one hundred thirty-two".