12523842 has 16 divisors (see below), whose sum is σ = 27830880. Its totient is φ = 4174596.

The previous prime is 12523837. The next prime is 12523843. The reversal of 12523842 is 24832521.

12523842 is digitally balanced in base 2 and base 4, because in such bases 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 (27).

It is not an unprimeable number, because it can be changed into a prime (12523843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115908 + ... + 116015.

It is an arithmetic number, because the mean of its divisors is an integer number (1739430).

Almost surely, 2^12523842 is an apocalyptic number.

12523842 is an abundant number, since it is smaller than the sum of its proper divisors (15307038).

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

12523842 is a wasteful number, since it uses less digits than its factorization.

12523842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231934 (or 231928 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 12523842 is about 3538.9040676458. The cubic root of 12523842 is about 232.2269009823.

It can be divided in two parts, 1252 and 3842, that multiplied together give a palindrome (4810184).

The spelling of 12523842 in words is "twelve million, five hundred twenty-three thousand, eight hundred forty-two".