12525780 has 48 divisors (see below), whose sum is σ = 35288064. Its totient is φ = 3319680.

The previous prime is 12525763. The next prime is 12525797. The reversal of 12525780 is 8752521.

12525780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12525763) and next prime (12525797).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 10914 + ... + 12006.

It is an arithmetic number, because the mean of its divisors is an integer number (735168).

Almost surely, 2^12525780 is an apocalyptic number.

12525780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12525780 is an abundant number, since it is smaller than the sum of its proper divisors (22762284).

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

12525780 is a wasteful number, since it uses less digits than its factorization.

12525780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296 (or 1294 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 12525780 is about 3539.1778706361. The cubic root of 12525780 is about 232.2388790032.

The spelling of 12525780 in words is "twelve million, five hundred twenty-five thousand, seven hundred eighty".