10912820 has 12 divisors (see below), whose sum is σ = 22916964. Its totient is φ = 4365120.

The previous prime is 10912723. The next prime is 10912831. The reversal of 10912820 is 2821901.

It can be written as a sum of positive squares in 2 ways, for example, as 2835856 + 8076964 = 1684^2 + 2842^2 .

It is a super-3 number, since 3×10912820³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272801 + ... + 272840.

It is an arithmetic number, because the mean of its divisors is an integer number (1909747).

Almost surely, 2^10912820 is an apocalyptic number.

10912820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10912820 is an abundant number, since it is smaller than the sum of its proper divisors (12004144).

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

10912820 is a wasteful number, since it uses less digits than its factorization.

10912820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545650 (or 545648 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 10912820 is about 3303.4557663150. The cubic root of 10912820 is about 221.8089149216.

The spelling of 10912820 in words is "ten million, nine hundred twelve thousand, eight hundred twenty".