12025524 has 48 divisors (see below), whose sum is σ = 32256000. Its totient is φ = 3415776.

The previous prime is 12025513. The next prime is 12025529. The reversal of 12025524 is 42552021.

It is a happy number.

It is a super-2 number, since 2×12025524² = 289226454949152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 12025524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12025529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19777 + ... + 20375.

It is an arithmetic number, because the mean of its divisors is an integer number (672000).

Almost surely, 2^12025524 is an apocalyptic number.

12025524 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12025524 is an abundant number, since it is smaller than the sum of its proper divisors (20230476).

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

12025524 is a wasteful number, since it uses less digits than its factorization.

12025524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852 (or 850 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 12025524 is about 3467.7837302808. The cubic root of 12025524 is about 229.1050540408.

Adding to 12025524 its reverse (42552021), we get a palindrome (54577545).

The spelling of 12025524 in words is "twelve million, twenty-five thousand, five hundred twenty-four".