12432067 has 4 divisors (see below), whose sum is σ = 12642840. Its totient is φ = 12221296.

The previous prime is 12432053. The next prime is 12432071. The reversal of 12432067 is 76023421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12432067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12432367) 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, 105298 + ... + 105415.

It is an arithmetic number, because the mean of its divisors is an integer number (3160710).

Almost surely, 2^12432067 is an apocalyptic number.

12432067 is a deficient number, since it is larger than the sum of its proper divisors (210773).

12432067 is an equidigital number, since it uses as much as digits as its factorization.

12432067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210772.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 12432067 is about 3525.9136404626. The cubic root of 12432067 is about 231.6582550184.

Adding to 12432067 its reverse (76023421), we get a palindrome (88455488).

The spelling of 12432067 in words is "twelve million, four hundred thirty-two thousand, sixty-seven".