12432001 has 4 divisors (see below), whose sum is σ = 12445632. Its totient is φ = 12418372.

The previous prime is 12431977. The next prime is 12432011. The reversal of 12432001 is 10023421.

12432001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12432001 - 2¹¹ = 12429953 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 5341 + ... + 7306.

It is an arithmetic number, because the mean of its divisors is an integer number (3111408).

Almost surely, 2^12432001 is an apocalyptic number.

It is an amenable number.

12432001 is a deficient number, since it is larger than the sum of its proper divisors (13631).

12432001 is an equidigital number, since it uses as much as digits as its factorization.

12432001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13630.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 12432001 is about 3525.9042811738. The cubic root of 12432001 is about 231.6578450712.

Adding to 12432001 its reverse (10023421), we get a palindrome (22455422).

The spelling of 12432001 in words is "twelve million, four hundred thirty-two thousand, one".