12140432 has 20 divisors (see below), whose sum is σ = 23855616. Its totient is φ = 5984160.

The previous prime is 12140419. The next prime is 12140441. The reversal of 12140432 is 23404121.

It is a self number, because there is not a number n which added to its sum of digits gives 12140432.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4208 + ... + 6479.

Almost surely, 2^12140432 is an apocalyptic number.

It is an amenable number.

12140432 is a deficient number, since it is larger than the sum of its proper divisors (11715184).

12140432 is a wasteful number, since it uses less digits than its factorization.

12140432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10766 (or 10760 counting only the distinct ones).

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

The square root of 12140432 is about 3484.3122707358. The cubic root of 12140432 is about 229.8324677911.

Adding to 12140432 its reverse (23404121), we get a palindrome (35544553).

The spelling of 12140432 in words is "twelve million, one hundred forty thousand, four hundred thirty-two".