12398255 has 8 divisors (see below), whose sum is σ = 15025824. Its totient is φ = 9820000.

The previous prime is 12398231. The next prime is 12398257. The reversal of 12398255 is 55289321.

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

It is a de Polignac number, because none of the positive numbers 2^k-12398255 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12398257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11771 + ... + 12780.

It is an arithmetic number, because the mean of its divisors is an integer number (1878228).

Almost surely, 2^12398255 is an apocalyptic number.

12398255 is a deficient number, since it is larger than the sum of its proper divisors (2627569).

12398255 is a wasteful number, since it uses less digits than its factorization.

12398255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24657.

The product of its digits is 21600, while the sum is 35.

The square root of 12398255 is about 3521.1155902640. The cubic root of 12398255 is about 231.4480475295.

The spelling of 12398255 in words is "twelve million, three hundred ninety-eight thousand, two hundred fifty-five".