12601285 has 4 divisors (see below), whose sum is σ = 15121548. Its totient is φ = 10081024.

The previous prime is 12601273. The next prime is 12601289. The reversal of 12601285 is 58210621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8767521 + 3833764 = 2961^2 + 1958^2 .

It is a cyclic number.

It is not a de Polignac number, because 12601285 - 2⁹ = 12600773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12601289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1260124 + ... + 1260133.

It is an arithmetic number, because the mean of its divisors is an integer number (3780387).

Almost surely, 2^12601285 is an apocalyptic number.

It is an amenable number.

12601285 is a deficient number, since it is larger than the sum of its proper divisors (2520263).

12601285 is an equidigital number, since it uses as much as digits as its factorization.

12601285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520262.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 12601285 is about 3549.8288691147. The cubic root of 12601285 is about 232.7045873320.

It can be divided in two parts, 1260 and 1285, that multiplied together give a triangular number (1619100 = T₁₇₉₉).

The spelling of 12601285 in words is "twelve million, six hundred one thousand, two hundred eighty-five".