12505633 has 6 divisors (see below), whose sum is σ = 14547426. Its totient is φ = 10719072.

The previous prime is 12505631. The next prime is 12505637. The reversal of 12505633 is 33650521.

It is a happy number.

12505633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9659664 + 2845969 = 3108^2 + 1687^2 .

It is not a de Polignac number, because 12505633 - 2¹ = 12505631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12505598 and 12505607.

It is not an unprimeable number, because it can be changed into a prime (12505631) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 127560 + ... + 127657.

It is an arithmetic number, because the mean of its divisors is an integer number (2424571).

Almost surely, 2^12505633 is an apocalyptic number.

It is an amenable number.

12505633 is a deficient number, since it is larger than the sum of its proper divisors (2041793).

12505633 is an equidigital number, since it uses as much as digits as its factorization.

12505633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255231 (or 255224 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 12505633 is about 3536.3304427047. The cubic root of 12505633 is about 232.1142978718.

The spelling of 12505633 in words is "twelve million, five hundred five thousand, six hundred thirty-three".