10720506 has 32 divisors (see below), whose sum is σ = 23087808. Its totient is φ = 3306240.

The previous prime is 10720487. The next prime is 10720511. The reversal of 10720506 is 60502701.

It is a super-2 number, since 2×10720506² = 229858497792072, which contains 22 as substring.

It is an unprimeable number.

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, 5361 + ... + 7083.

It is an arithmetic number, because the mean of its divisors is an integer number (721494).

Almost surely, 2^10720506 is an apocalyptic number.

10720506 is an abundant number, since it is smaller than the sum of its proper divisors (12367302).

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

10720506 is a wasteful number, since it uses less digits than its factorization.

10720506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 10720506 is about 3274.2183800107. The cubic root of 10720506 is about 220.4982234625.

The spelling of 10720506 in words is "ten million, seven hundred twenty thousand, five hundred six".