11954843 has 2 divisors, whose sum is σ = 11954844. Its totient is φ = 11954842.

The previous prime is 11954837. The next prime is 11954849. The reversal of 11954843 is 34845911.

It is a balanced prime because it is at equal distance from previous prime (11954837) and next prime (11954849).

It is an emirp because it is prime and its reverse (34845911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11954843 - 2⁴ = 11954827 is a prime.

It is not a weakly prime, because it can be changed into another prime (11954849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5977421 + 5977422.

It is an arithmetic number, because the mean of its divisors is an integer number (5977422).

Almost surely, 2^11954843 is an apocalyptic number.

11954843 is a deficient number, since it is larger than the sum of its proper divisors (1).

11954843 is an equidigital number, since it uses as much as digits as its factorization.

11954843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 35.

The square root of 11954843 is about 3457.5776202422. The cubic root of 11954843 is about 228.6553105262.

The spelling of 11954843 in words is "eleven million, nine hundred fifty-four thousand, eight hundred forty-three".