10720998 has 20 divisors (see below), whose sum is σ = 24023340. Its totient is φ = 3573612.

The previous prime is 10720991. The next prime is 10721003. The reversal of 10720998 is 89902701.

It is a happy number.

It is a super-2 number, since 2×10720998² = 229879596232008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10720991) 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 9 ways as a sum of consecutive naturals, for example, 32928 + ... + 33251.

It is an arithmetic number, because the mean of its divisors is an integer number (1201167).

Almost surely, 2^10720998 is an apocalyptic number.

10720998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10720998 is an abundant number, since it is smaller than the sum of its proper divisors (13302342).

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

10720998 is an equidigital number, since it uses as much as digits as its factorization.

10720998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66193 (or 66184 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 10720998 is about 3274.2935115838. The cubic root of 10720998 is about 220.5015965454.

The spelling of 10720998 in words is "ten million, seven hundred twenty thousand, nine hundred ninety-eight".