12258478 has 8 divisors (see below), whose sum is σ = 18404568. Its totient is φ = 6123624.

The previous prime is 12258473. The next prime is 12258487. The reversal of 12258478 is 87485221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12258473) 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, 900 + ... + 5032.

It is an arithmetic number, because the mean of its divisors is an integer number (2300571).

Almost surely, 2^12258478 is an apocalyptic number.

12258478 is a deficient number, since it is larger than the sum of its proper divisors (6146090).

12258478 is a wasteful number, since it uses less digits than its factorization.

12258478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5618.

The product of its digits is 35840, while the sum is 37.

The square root of 12258478 is about 3501.2109333772. The cubic root of 12258478 is about 230.5749823106.

The spelling of 12258478 in words is "twelve million, two hundred fifty-eight thousand, four hundred seventy-eight".