12258867 has 4 divisors (see below), whose sum is σ = 16345160. Its totient is φ = 8172576.

The previous prime is 12258863. The next prime is 12258871. The reversal of 12258867 is 76885221.

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

It is an interprime number because it is at equal distance from previous prime (12258863) and next prime (12258871).

It is not a de Polignac number, because 12258867 - 2² = 12258863 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 (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 3 ways as a sum of consecutive naturals, for example, 2043142 + ... + 2043147.

It is an arithmetic number, because the mean of its divisors is an integer number (4086290).

Almost surely, 2^12258867 is an apocalyptic number.

12258867 is a deficient number, since it is larger than the sum of its proper divisors (4086293).

12258867 is an equidigital number, since it uses as much as digits as its factorization.

12258867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4086292.

The product of its digits is 53760, while the sum is 39.

The square root of 12258867 is about 3501.2664851451. The cubic root of 12258867 is about 230.5774212409.

The spelling of 12258867 in words is "twelve million, two hundred fifty-eight thousand, eight hundred sixty-seven".