12523788 has 48 divisors (see below), whose sum is σ = 33018720. Its totient is φ = 4104000.

The previous prime is 12523759. The next prime is 12523801. The reversal of 12523788 is 88732521.

12523788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5638 + ... + 7538.

It is an arithmetic number, because the mean of its divisors is an integer number (687890).

Almost surely, 2^12523788 is an apocalyptic number.

12523788 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12523788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16509360).

12523788 is an abundant number, since it is smaller than the sum of its proper divisors (20494932).

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

12523788 is a wasteful number, since it uses less digits than its factorization.

12523788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975 (or 1967 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 12523788 is about 3538.8964381570. The cubic root of 12523788 is about 232.2265672117.

The spelling of 12523788 in words is "twelve million, five hundred twenty-three thousand, seven hundred eighty-eight".