12423522 has 8 divisors (see below), whose sum is σ = 24847056. Its totient is φ = 4141172.

The previous prime is 12423491. The next prime is 12423539. The reversal of 12423522 is 22532421.

12423522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

12423522 is an admirable 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, 1035288 + ... + 1035299.

It is an arithmetic number, because the mean of its divisors is an integer number (3105882).

Almost surely, 2^12423522 is an apocalyptic number.

12423522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12423522 is a wasteful number, since it uses less digits than its factorization.

12423522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070592.

The product of its digits is 960, while the sum is 21.

The square root of 12423522 is about 3524.7016895051. The cubic root of 12423522 is about 231.6051672121.

Adding to 12423522 its reverse (22532421), we get a palindrome (34955943).

The spelling of 12423522 in words is "twelve million, four hundred twenty-three thousand, five hundred twenty-two".