10776921 has 16 divisors (see below), whose sum is σ = 14676480. Its totient is φ = 7032960.

The previous prime is 10776919. The next prime is 10776979. The reversal of 10776921 is 12967701.

10776921 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10776921 - 2¹ = 10776919 is a prime.

It is a super-2 number, since 2×10776921² = 232284052480482, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10776421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48216 + ... + 48438.

It is an arithmetic number, because the mean of its divisors is an integer number (917280).

Almost surely, 2^10776921 is an apocalyptic number.

It is an amenable number.

10776921 is a deficient number, since it is larger than the sum of its proper divisors (3899559).

10776921 is a wasteful number, since it uses less digits than its factorization.

10776921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496.

The product of its (nonzero) digits is 5292, while the sum is 33.

The square root of 10776921 is about 3282.8221091006. The cubic root of 10776921 is about 220.8843262172.

It can be divided in two parts, 107 and 76921, that added together give a triangular number (77028 = T₃₉₂).

The spelling of 10776921 in words is "ten million, seven hundred seventy-six thousand, nine hundred twenty-one".