11687343 has 4 divisors (see below), whose sum is σ = 15583128. Its totient is φ = 7791560.

The previous prime is 11687327. The next prime is 11687359. The reversal of 11687343 is 34378611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34378611 = 3 ⋅11459537.

It is an interprime number because it is at equal distance from previous prime (11687327) and next prime (11687359).

It is a cyclic number.

It is not a de Polignac number, because 11687343 - 2⁴ = 11687327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11687303) 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, 1947888 + ... + 1947893.

It is an arithmetic number, because the mean of its divisors is an integer number (3895782).

Almost surely, 2^11687343 is an apocalyptic number.

11687343 is a deficient number, since it is larger than the sum of its proper divisors (3895785).

11687343 is an equidigital number, since it uses as much as digits as its factorization.

11687343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3895784.

The product of its digits is 12096, while the sum is 33.

The square root of 11687343 is about 3418.6756207631. The cubic root of 11687343 is about 226.9369759119.

The spelling of 11687343 in words is "eleven million, six hundred eighty-seven thousand, three hundred forty-three".