12140732 has 6 divisors (see below), whose sum is σ = 21246288. Its totient is φ = 6070364.

The previous prime is 12140731. The next prime is 12140759. The reversal of 12140732 is 23704121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12140731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1517588 + ... + 1517595.

It is an arithmetic number, because the mean of its divisors is an integer number (3541048).

Almost surely, 2^12140732 is an apocalyptic number.

It is an amenable number.

12140732 is a deficient number, since it is larger than the sum of its proper divisors (9105556).

12140732 is a wasteful number, since it uses less digits than its factorization.

12140732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3035187 (or 3035185 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 12140732 is about 3484.3553205722. The cubic root of 12140732 is about 229.8343608915.

Adding to 12140732 its reverse (23704121), we get a palindrome (35844853).

The spelling of 12140732 in words is "twelve million, one hundred forty thousand, seven hundred thirty-two".