12265859 has 4 divisors (see below), whose sum is σ = 12308016. Its totient is φ = 12223704.

The previous prime is 12265853. The next prime is 12265861. The reversal of 12265859 is 95856221.

12265859 is digitally balanced in base 2 and base 3, because in such bases 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 an emirpimes, since its reverse is a distinct semiprime: 95856221 = 4091 ⋅23431.

It is a cyclic number.

It is not a de Polignac number, because 12265859 - 2¹⁶ = 12200323 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (12265853) 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, 20639 + ... + 21224.

It is an arithmetic number, because the mean of its divisors is an integer number (3077004).

Almost surely, 2^12265859 is an apocalyptic number.

12265859 is a deficient number, since it is larger than the sum of its proper divisors (42157).

12265859 is an equidigital number, since it uses as much as digits as its factorization.

12265859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42156.

The product of its digits is 43200, while the sum is 38.

The square root of 12265859 is about 3502.2648386437. The cubic root of 12265859 is about 230.6212504929.

The spelling of 12265859 in words is "twelve million, two hundred sixty-five thousand, eight hundred fifty-nine".