12125652 has 72 divisors (see below), whose sum is σ = 35571648. Its totient is φ = 3146880.

The previous prime is 12125651. The next prime is 12125657. The reversal of 12125652 is 25652121.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12125651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9568 + ... + 10760.

Almost surely, 2^12125652 is an apocalyptic number.

12125652 is a gapful number since it is divisible by the number (12) 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 12125652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17785824).

12125652 is an abundant number, since it is smaller than the sum of its proper divisors (23445996).

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

12125652 is a wasteful number, since it uses less digits than its factorization.

12125652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229 (or 1216 counting only the distinct ones).

The product of its digits is 1200, while the sum is 24.

The square root of 12125652 is about 3482.1906897814. The cubic root of 12125652 is about 229.7391623991.

Adding to 12125652 its reverse (25652121), we get a palindrome (37777773).

The spelling of 12125652 in words is "twelve million, one hundred twenty-five thousand, six hundred fifty-two".