10921743 has 16 divisors (see below), whose sum is σ = 18492160. Its totient is φ = 6240888.

The previous prime is 10921739. The next prime is 10921747. The reversal of 10921743 is 34712901.

It is an interprime number because it is at equal distance from previous prime (10921739) and next prime (10921747).

It is not a de Polignac number, because 10921743 - 2² = 10921739 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10921747) 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 15 ways as a sum of consecutive naturals, for example, 28705 + ... + 29082.

It is an arithmetic number, because the mean of its divisors is an integer number (1155760).

Almost surely, 2^10921743 is an apocalyptic number.

10921743 is a deficient number, since it is larger than the sum of its proper divisors (7570417).

10921743 is an equidigital number, since it uses as much as digits as its factorization.

10921743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57803 (or 57797 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 10921743 is about 3304.8060457461. The cubic root of 10921743 is about 221.8693533708.

It can be divided in two parts, 10921 and 743, that added together give a square (11664 = 108²).

The spelling of 10921743 in words is "ten million, nine hundred twenty-one thousand, seven hundred forty-three".