12398386 has 48 divisors (see below), whose sum is σ = 25204032. Its totient is φ = 4451040.

The previous prime is 12398381. The next prime is 12398413. The reversal of 12398386 is 68389321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12398381) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21741 + ... + 22303.

It is an arithmetic number, because the mean of its divisors is an integer number (525084).

Almost surely, 2^12398386 is an apocalyptic number.

12398386 is an abundant number, since it is smaller than the sum of its proper divisors (12805646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12398386 is a wasteful number, since it uses less digits than its factorization.

12398386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607 (or 596 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The square root of 12398386 is about 3521.1341922738. The cubic root of 12398386 is about 231.4488626869.

The spelling of 12398386 in words is "twelve million, three hundred ninety-eight thousand, three hundred eighty-six".