10813810 has 48 divisors (see below), whose sum is σ = 23454360. Its totient is φ = 3575040.

The previous prime is 10813801. The next prime is 10813813. The reversal of 10813810 is 1831801.

It can be written as a sum of positive squares in 4 ways, for example, as 5049009 + 5764801 = 2247^2 + 2401^2 .

It is a super-2 number, since 2×10813810² = 233876973432200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10813813) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13830 + ... + 14590.

Almost surely, 2^10813810 is an apocalyptic number.

10813810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10813810 is an abundant number, since it is smaller than the sum of its proper divisors (12640550).

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

10813810 is a wasteful number, since it uses less digits than its factorization.

10813810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811 (or 804 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 10813810 is about 3288.4357983698. The cubic root of 10813810 is about 221.1360654834.

Subtracting from 10813810 its reverse (1831801), we obtain a square (8982009 = 2997²).

The spelling of 10813810 in words is "ten million, eight hundred thirteen thousand, eight hundred ten".