12258869 has 12 divisors (see below), whose sum is σ = 14566464. Its totient is φ = 10282104.

The previous prime is 12258863. The next prime is 12258871. The reversal of 12258869 is 96885221.

It is not a de Polignac number, because 12258869 - 2¹⁶ = 12193333 is a prime.

It is a super-2 number, since 2×12258869² = 300559738318322, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12258863) 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 11 ways as a sum of consecutive naturals, for example, 359 + ... + 4964.

It is an arithmetic number, because the mean of its divisors is an integer number (1213872).

Almost surely, 2^12258869 is an apocalyptic number.

It is an amenable number.

12258869 is a deficient number, since it is larger than the sum of its proper divisors (2307595).

12258869 is an equidigital number, since it uses as much as digits as its factorization.

12258869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5384 (or 5377 counting only the distinct ones).

The product of its digits is 69120, while the sum is 41.

The square root of 12258869 is about 3501.2667707560. The cubic root of 12258869 is about 230.5774337802.

The spelling of 12258869 in words is "twelve million, two hundred fifty-eight thousand, eight hundred sixty-nine".