10868215 has 4 divisors (see below), whose sum is σ = 13041864. Its totient is φ = 8694568.

The previous prime is 10868203. The next prime is 10868317. The reversal of 10868215 is 51286801.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10868215 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1086817 + ... + 1086826.

It is an arithmetic number, because the mean of its divisors is an integer number (3260466).

Almost surely, 2^10868215 is an apocalyptic number.

10868215 is a deficient number, since it is larger than the sum of its proper divisors (2173649).

10868215 is an equidigital number, since it uses as much as digits as its factorization.

10868215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173648.

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 10868215 is about 3296.6975900134. The cubic root of 10868215 is about 221.5062953946.

The spelling of 10868215 in words is "ten million, eight hundred sixty-eight thousand, two hundred fifteen".