12525030 has 120 divisors (see below), whose sum is σ = 39325968. Its totient is φ = 2801952.

The previous prime is 12524977. The next prime is 12525043. The reversal of 12525030 is 3052521.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

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

It is a junction number, because it is equal to n+sod(n) for n = 12524994 and 12525012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 266467 + ... + 266513.

Almost surely, 2^12525030 is an apocalyptic number.

12525030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12525030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19662984).

12525030 is an abundant number, since it is smaller than the sum of its proper divisors (26800938).

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

12525030 is an equidigital number, since it uses as much as digits as its factorization.

12525030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 12525030 is about 3539.0719122391. The cubic root of 12525030 is about 232.2342436927.

Adding to 12525030 its reverse (3052521), we get a palindrome (15577551).

The spelling of 12525030 in words is "twelve million, five hundred twenty-five thousand, thirty".