12258257 has 8 divisors (see below), whose sum is σ = 13409472. Its totient is φ = 11113200.

The previous prime is 12258251. The next prime is 12258263. The reversal of 12258257 is 75285221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12258251) and next prime (12258263).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12258257 - 2¹⁰ = 12257233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12258251) 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 7 ways as a sum of consecutive naturals, for example, 3308 + ... + 5954.

It is an arithmetic number, because the mean of its divisors is an integer number (1676184).

Almost surely, 2^12258257 is an apocalyptic number.

It is an amenable number.

12258257 is a deficient number, since it is larger than the sum of its proper divisors (1151215).

12258257 is a wasteful number, since it uses less digits than its factorization.

12258257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3079.

The product of its digits is 11200, while the sum is 32.

The square root of 12258257 is about 3501.1793727257. The cubic root of 12258257 is about 230.5735966743.

The spelling of 12258257 in words is "twelve million, two hundred fifty-eight thousand, two hundred fifty-seven".