12423632 has 20 divisors (see below), whose sum is σ = 25922820. Its totient is φ = 5733888.

The previous prime is 12423623. The next prime is 12423643. The reversal of 12423632 is 23632421.

12423632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3519376 + 8904256 = 1876^2 + 2984^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12423598 and 12423607.

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, 29657 + ... + 30072.

It is an arithmetic number, because the mean of its divisors is an integer number (1296141).

Almost surely, 2^12423632 is an apocalyptic number.

It is an amenable number.

12423632 is an abundant number, since it is smaller than the sum of its proper divisors (13499188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12423632 is a wasteful number, since it uses less digits than its factorization.

12423632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59750 (or 59744 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 12423632 is about 3524.7172936280. The cubic root of 12423632 is about 231.6058507674.

The spelling of 12423632 in words is "twelve million, four hundred twenty-three thousand, six hundred thirty-two".