10921953 has 24 divisors (see below), whose sum is σ = 17072640. Its totient is φ = 6192480.

The previous prime is 10921931. The next prime is 10921961. The reversal of 10921953 is 35912901.

It is not a de Polignac number, because 10921953 - 2⁵ = 10921921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10921953.

It is not an unprimeable number, because it can be changed into a prime (10921913) 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 23 ways as a sum of consecutive naturals, for example, 27883 + ... + 28271.

It is an arithmetic number, because the mean of its divisors is an integer number (711360).

Almost surely, 2^10921953 is an apocalyptic number.

It is an amenable number.

10921953 is a deficient number, since it is larger than the sum of its proper divisors (6150687).

10921953 is a wasteful number, since it uses less digits than its factorization.

10921953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597 (or 590 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 10921953 is about 3304.8378175033. The cubic root of 10921953 is about 221.8707753742.

The spelling of 10921953 in words is "ten million, nine hundred twenty-one thousand, nine hundred fifty-three".