10521726 has 16 divisors (see below), whose sum is σ = 21145728. Its totient is φ = 3490200.

The previous prime is 10521697. The next prime is 10521733. The reversal of 10521726 is 62712501.

It is a super-2 number, since 2×10521726² = 221413436038152, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10521696 and 10521705.

It is a congruent number.

It is an unprimeable number.

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, 2890 + ... + 5421.

It is an arithmetic number, because the mean of its divisors is an integer number (1321608).

Almost surely, 2^10521726 is an apocalyptic number.

10521726 is an abundant number, since it is smaller than the sum of its proper divisors (10624002).

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

10521726 is a wasteful number, since it uses less digits than its factorization.

10521726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8527.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 10521726 is about 3243.7210114312. The cubic root of 10521726 is about 219.1268837916.

The spelling of 10521726 in words is "ten million, five hundred twenty-one thousand, seven hundred twenty-six".