10868781 has 16 divisors (see below), whose sum is σ = 18067968. Its totient is φ = 5646000.

The previous prime is 10868777. The next prime is 10868791. The reversal of 10868781 is 18786801.

10868781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10868781 - 2² = 10868777 is a prime.

It is a super-2 number, since 2×10868781² = 236260800851922, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10868761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23295 + ... + 23756.

It is an arithmetic number, because the mean of its divisors is an integer number (1129248).

Almost surely, 2^10868781 is an apocalyptic number.

10868781 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10868781 is a deficient number, since it is larger than the sum of its proper divisors (7199187).

10868781 is a wasteful number, since it uses less digits than its factorization.

10868781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47072.

The product of its (nonzero) digits is 21504, while the sum is 39.

The square root of 10868781 is about 3296.7834323777. The cubic root of 10868781 is about 221.5101405641.

The spelling of 10868781 in words is "ten million, eight hundred sixty-eight thousand, seven hundred eighty-one".