12563398 has 8 divisors (see below), whose sum is σ = 18928080. Its totient is φ = 6254040.

The previous prime is 12563393. The next prime is 12563413. The reversal of 12563398 is 89336521.

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 (12563393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13258 + ... + 14173.

It is an arithmetic number, because the mean of its divisors is an integer number (2366010).

Almost surely, 2^12563398 is an apocalyptic number.

12563398 is a deficient number, since it is larger than the sum of its proper divisors (6364682).

12563398 is a wasteful number, since it uses less digits than its factorization.

12563398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27662.

The product of its digits is 38880, while the sum is 37.

The square root of 12563398 is about 3544.4883974983. The cubic root of 12563398 is about 232.4711368186.

The spelling of 12563398 in words is "twelve million, five hundred sixty-three thousand, three hundred ninety-eight".