10721892 has 24 divisors (see below), whose sum is σ = 25242336. Its totient is φ = 3541888.

The previous prime is 10721881. The next prime is 10721899. The reversal of 10721892 is 29812701.

It is a super-2 number, since 2×10721892² = 229917936119328, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (10721899) 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 7 ways as a sum of consecutive naturals, for example, 2598 + ... + 5309.

It is an arithmetic number, because the mean of its divisors is an integer number (1051764).

Almost surely, 2^10721892 is an apocalyptic number.

10721892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10721892 is an abundant number, since it is smaller than the sum of its proper divisors (14520444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10721892 is a wasteful number, since it uses less digits than its factorization.

10721892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8027 (or 8025 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 10721892 is about 3274.4300267375. The cubic root of 10721892 is about 220.5077254198.

The spelling of 10721892 in words is "ten million, seven hundred twenty-one thousand, eight hundred ninety-two".