12525861 has 8 divisors (see below), whose sum is σ = 17016480. Its totient is φ = 8192912.

The previous prime is 12525859. The next prime is 12525881. The reversal of 12525861 is 16852521.

12525861 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12525861 - 2¹ = 12525859 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12525811) 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, 39231 + ... + 39548.

It is an arithmetic number, because the mean of its divisors is an integer number (2127060).

Almost surely, 2^12525861 is an apocalyptic number.

It is an amenable number.

12525861 is a deficient number, since it is larger than the sum of its proper divisors (4490619).

12525861 is an equidigital number, since it uses as much as digits as its factorization.

12525861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78835.

The product of its digits is 4800, while the sum is 30.

The square root of 12525861 is about 3539.1893139531. The cubic root of 12525861 is about 232.2393796056.

The spelling of 12525861 in words is "twelve million, five hundred twenty-five thousand, eight hundred sixty-one".