11998343 has 4 divisors (see below), whose sum is σ = 13712400. Its totient is φ = 10284288.

The previous prime is 11998303. The next prime is 11998369. The reversal of 11998343 is 34389911.

It is a happy number.

11998343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34389911 = 29 ⋅1185859.

It is not a de Polignac number, because 11998343 - 2¹⁰ = 11997319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11998297 and 11998306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11998303) 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, 857018 + ... + 857031.

It is an arithmetic number, because the mean of its divisors is an integer number (3428100).

Almost surely, 2^11998343 is an apocalyptic number.

11998343 is a deficient number, since it is larger than the sum of its proper divisors (1714057).

11998343 is an equidigital number, since it uses as much as digits as its factorization.

11998343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714056.

The product of its digits is 23328, while the sum is 38.

The square root of 11998343 is about 3463.8624395319. The cubic root of 11998343 is about 228.9323102950.

The spelling of 11998343 in words is "eleven million, nine hundred ninety-eight thousand, three hundred forty-three".