12013432 has 8 divisors (see below), whose sum is σ = 22525200. Its totient is φ = 6006712.

The previous prime is 12013427. The next prime is 12013433. The reversal of 12013432 is 23431021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 750832 + ... + 750847.

It is an arithmetic number, because the mean of its divisors is an integer number (2815650).

Almost surely, 2^12013432 is an apocalyptic number.

It is an amenable number.

12013432 is a deficient number, since it is larger than the sum of its proper divisors (10511768).

12013432 is a wasteful number, since it uses less digits than its factorization.

12013432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501685 (or 1501681 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 12013432 is about 3466.0398151204. The cubic root of 12013432 is about 229.0282377795.

Adding to 12013432 its reverse (23431021), we get a palindrome (35444453).

The spelling of 12013432 in words is "twelve million, thirteen thousand, four hundred thirty-two".