10986921 has 60 divisors (see below), whose sum is σ = 19311600. Its totient is φ = 6201360.

The previous prime is 10986917. The next prime is 10986929. The reversal of 10986921 is 12968901.

It is not a de Polignac number, because 10986921 - 2² = 10986917 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10986929) 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 59 ways as a sum of consecutive naturals, for example, 186190 + ... + 186248.

It is an arithmetic number, because the mean of its divisors is an integer number (321860).

Almost surely, 2^10986921 is an apocalyptic number.

10986921 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10986921 is a deficient number, since it is larger than the sum of its proper divisors (8324679).

10986921 is a wasteful number, since it uses less digits than its factorization.

10986921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 10986921 is about 3314.6524704711. The cubic root of 10986921 is about 222.3098303553.

The spelling of 10986921 in words is "ten million, nine hundred eighty-six thousand, nine hundred twenty-one".