12423552 has 32 divisors (see below), whose sum is σ = 33001080. Its totient is φ = 4141056.

The previous prime is 12423539. The next prime is 12423563. The reversal of 12423552 is 25532421.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 15793 + ... + 16560.

Almost surely, 2^12423552 is an apocalyptic number.

12423552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12423552 is an abundant number, since it is smaller than the sum of its proper divisors (20577528).

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

12423552 is an equidigital number, since it uses as much as digits as its factorization.

12423552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32370 (or 32358 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 12423552 is about 3524.7059451818. The cubic root of 12423552 is about 231.6053536367.

Adding to 12423552 its reverse (25532421), we get a palindrome (37955973).

The spelling of 12423552 in words is "twelve million, four hundred twenty-three thousand, five hundred fifty-two".