10817893 has 2 divisors, whose sum is σ = 10817894. Its totient is φ = 10817892.

The previous prime is 10817881. The next prime is 10817903. The reversal of 10817893 is 39871801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6749604 + 4068289 = 2598^2 + 2017^2 .

It is an emirp because it is prime and its reverse (39871801) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10817893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10817803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5408946 + 5408947.

It is an arithmetic number, because the mean of its divisors is an integer number (5408947).

Almost surely, 2^10817893 is an apocalyptic number.

It is an amenable number.

10817893 is a deficient number, since it is larger than the sum of its proper divisors (1).

10817893 is an equidigital number, since it uses as much as digits as its factorization.

10817893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 10817893 is about 3289.0565516573. The cubic root of 10817893 is about 221.1638936322.

The spelling of 10817893 in words is "ten million, eight hundred seventeen thousand, eight hundred ninety-three".