10906781 has 8 divisors (see below), whose sum is σ = 11099424. Its totient is φ = 10715760.

The previous prime is 10906771. The next prime is 10906787. The reversal of 10906781 is 18760901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10906781 - 2¹⁸ = 10644637 is a prime.

It is a super-2 number, since 2×10906781² = 237915743563922, 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 (10906787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27275 + ... + 27671.

It is an arithmetic number, because the mean of its divisors is an integer number (1387428).

Almost surely, 2^10906781 is an apocalyptic number.

It is an amenable number.

10906781 is a deficient number, since it is larger than the sum of its proper divisors (192643).

10906781 is an equidigital number, since it uses as much as digits as its factorization.

10906781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 10906781 is about 3302.5415970128. The cubic root of 10906781 is about 221.7679920681.

The spelling of 10906781 in words is "ten million, nine hundred six thousand, seven hundred eighty-one".