12354398 has 16 divisors (see below), whose sum is σ = 21496704. Its totient is φ = 5215320.

The previous prime is 12354379. The next prime is 12354413. The reversal of 12354398 is 89345321.

It is a super-2 number, since 2×12354398² = 305262299884808, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 7 ways as a sum of consecutive naturals, for example, 5648 + ... + 7523.

It is an arithmetic number, because the mean of its divisors is an integer number (1343544).

Almost surely, 2^12354398 is an apocalyptic number.

12354398 is a deficient number, since it is larger than the sum of its proper divisors (9142306).

12354398 is a wasteful number, since it uses less digits than its factorization.

12354398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13247.

The product of its digits is 25920, while the sum is 35.

The square root of 12354398 is about 3514.8823593401. The cubic root of 12354398 is about 231.1748206556.

The spelling of 12354398 in words is "twelve million, three hundred fifty-four thousand, three hundred ninety-eight".