12232405 has 4 divisors (see below), whose sum is σ = 14678892. Its totient is φ = 9785920.

The previous prime is 12232397. The next prime is 12232421. The reversal of 12232405 is 50423221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50423221 = 599 ⋅84179.

It can be written as a sum of positive squares in 2 ways, for example, as 7006609 + 5225796 = 2647^2 + 2286^2 .

It is not a de Polignac number, because 12232405 - 2³ = 12232397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1223236 + ... + 1223245.

It is an arithmetic number, because the mean of its divisors is an integer number (3669723).

Almost surely, 2^12232405 is an apocalyptic number.

It is an amenable number.

12232405 is a deficient number, since it is larger than the sum of its proper divisors (2446487).

12232405 is an equidigital number, since it uses as much as digits as its factorization.

12232405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2446486.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 12232405 is about 3497.4855253453. The cubic root of 12232405 is about 230.4113935197.

Adding to 12232405 its reverse (50423221), we get a palindrome (62655626).

The spelling of 12232405 in words is "twelve million, two hundred thirty-two thousand, four hundred five".