12293398 has 24 divisors (see below), whose sum is σ = 20528208. Its totient is φ = 5514912.

The previous prime is 12293389. The next prime is 12293429. The reversal of 12293398 is 89339221.

It is a super-2 number, since 2×12293398² = 302255268772808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 12015 + ... + 12997.

It is an arithmetic number, because the mean of its divisors is an integer number (855342).

Almost surely, 2^12293398 is an apocalyptic number.

12293398 is a deficient number, since it is larger than the sum of its proper divisors (8234810).

12293398 is a wasteful number, since it uses less digits than its factorization.

12293398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048 (or 1035 counting only the distinct ones).

The product of its digits is 23328, while the sum is 37.

The square root of 12293398 is about 3506.1942330681. The cubic root of 12293398 is about 230.7937165073.

Subtracting from 12293398 its sum of digits (37), we obtain a triangular number (12293361 = T₄₉₅₈).

The spelling of 12293398 in words is "twelve million, two hundred ninety-three thousand, three hundred ninety-eight".