12432022 has 4 divisors (see below), whose sum is σ = 18648036. Its totient is φ = 6216010.

The previous prime is 12432011. The next prime is 12432053. The reversal of 12432022 is 22023421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22023421 = 7 ⋅3146203.

It is a junction number, because it is equal to n+sod(n) for n = 12431987 and 12432005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3108004 + ... + 3108007.

It is an arithmetic number, because the mean of its divisors is an integer number (4662009).

Almost surely, 2^12432022 is an apocalyptic number.

12432022 is a deficient number, since it is larger than the sum of its proper divisors (6216014).

12432022 is an equidigital number, since it uses as much as digits as its factorization.

12432022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6216013.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 12432022 is about 3525.9072591320. The cubic root of 12432022 is about 231.6579755091.

Adding to 12432022 its reverse (22023421), we get a palindrome (34455443).

The spelling of 12432022 in words is "twelve million, four hundred thirty-two thousand, twenty-two".