12259801 has 4 divisors (see below), whose sum is σ = 12491172. Its totient is φ = 12028432.

The previous prime is 12259763. The next prime is 12259813. The reversal of 12259801 is 10895221.

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 9144576 + 3115225 = 3024^2 + 1765^2 .

It is a cyclic number.

It is not a de Polignac number, because 12259801 - 2¹¹ = 12257753 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12259801.

It is not an unprimeable number, because it can be changed into a prime (12259201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115606 + ... + 115711.

It is an arithmetic number, because the mean of its divisors is an integer number (3122793).

Almost surely, 2^12259801 is an apocalyptic number.

It is an amenable number.

12259801 is a deficient number, since it is larger than the sum of its proper divisors (231371).

12259801 is an equidigital number, since it uses as much as digits as its factorization.

12259801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231370.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 12259801 is about 3501.3998629120. The cubic root of 12259801 is about 230.5832769708.

It can be divided in two parts, 1225 and 9801, that multiplied together give a square (12006225 = 3465²).

The spelling of 12259801 in words is "twelve million, two hundred fifty-nine thousand, eight hundred one".