12432031 has 8 divisors (see below), whose sum is σ = 12824064. Its totient is φ = 12044760.

The previous prime is 12432011. The next prime is 12432053. The reversal of 12432031 is 13023421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12432031 - 2¹¹ = 12429983 is a prime.

It is a super-2 number, since 2×12432031² = 309110789569922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12431996 and 12432014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12432011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4530 + ... + 6736.

It is an arithmetic number, because the mean of its divisors is an integer number (1603008).

Almost surely, 2^12432031 is an apocalyptic number.

12432031 is a deficient number, since it is larger than the sum of its proper divisors (392033).

12432031 is a wasteful number, since it uses less digits than its factorization.

12432031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381.

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

The square root of 12432031 is about 3525.9085353991. The cubic root of 12432031 is about 231.6580314110.

Adding to 12432031 its reverse (13023421), we get a palindrome (25455452).

The spelling of 12432031 in words is "twelve million, four hundred thirty-two thousand, thirty-one".