11817343 has 4 divisors (see below), whose sum is σ = 11829960. Its totient is φ = 11804728.

The previous prime is 11817301. The next prime is 11817359. The reversal of 11817343 is 34371811.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11817343 - 2¹³ = 11809151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11817383) 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, 4780 + ... + 6817.

It is an arithmetic number, because the mean of its divisors is an integer number (2957490).

Almost surely, 2^11817343 is an apocalyptic number.

11817343 is a deficient number, since it is larger than the sum of its proper divisors (12617).

11817343 is a wasteful number, since it uses less digits than its factorization.

11817343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12616.

The product of its digits is 2016, while the sum is 28.

The square root of 11817343 is about 3437.6362518452. The cubic root of 11817343 is about 227.7752928717.

The spelling of 11817343 in words is "eleven million, eight hundred seventeen thousand, three hundred forty-three".