12259001 has 4 divisors (see below), whose sum is σ = 12266100. Its totient is φ = 12251904.

The previous prime is 12258991. The next prime is 12259003. The reversal of 12259001 is 10095221.

12259001 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10095221 = 659 ⋅15319.

It can be written as a sum of positive squares in 2 ways, for example, as 2399401 + 9859600 = 1549^2 + 3140^2 .

It is a cyclic number.

It is not a de Polignac number, because 12259001 - 2¹⁰ = 12257977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (12259003) 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, 905 + ... + 5033.

It is an arithmetic number, because the mean of its divisors is an integer number (3066525).

Almost surely, 2^12259001 is an apocalyptic number.

It is an amenable number.

12259001 is a deficient number, since it is larger than the sum of its proper divisors (7099).

12259001 is an equidigital number, since it uses as much as digits as its factorization.

12259001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7098.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 12259001 is about 3501.2856210255. The cubic root of 12259001 is about 230.5782613746.

The spelling of 12259001 in words is "twelve million, two hundred fifty-nine thousand, one".