10528780 has 48 divisors (see below), whose sum is σ = 23677920. Its totient is φ = 3918848.

The previous prime is 10528753. The next prime is 10528801. The reversal of 10528780 is 8782501.

It is a super-2 number, since 2×10528780² = 221710416576800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58731 + ... + 58909.

It is an arithmetic number, because the mean of its divisors is an integer number (493290).

Almost surely, 2^10528780 is an apocalyptic number.

10528780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10528780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11838960).

10528780 is an abundant number, since it is smaller than the sum of its proper divisors (13149140).

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

10528780 is a wasteful number, since it uses less digits than its factorization.

10528780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 10528780 is about 3244.8081607392. The cubic root of 10528780 is about 219.1758420372.

The spelling of 10528780 in words is "ten million, five hundred twenty-eight thousand, seven hundred eighty".