10813869 has 24 divisors (see below), whose sum is σ = 17940000. Its totient is φ = 6207840.

The previous prime is 10813861. The next prime is 10813877. The reversal of 10813869 is 96831801.

It is an interprime number because it is at equal distance from previous prime (10813861) and next prime (10813877).

It is not a de Polignac number, because 10813869 - 2³ = 10813861 is a prime.

It is a super-2 number, since 2×10813869² = 233879525498322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10813861) 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, 994 + ... + 4755.

It is an arithmetic number, because the mean of its divisors is an integer number (747500).

Almost surely, 2^10813869 is an apocalyptic number.

10813869 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

10813869 is a deficient number, since it is larger than the sum of its proper divisors (7126131).

10813869 is a wasteful number, since it uses less digits than its factorization.

10813869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5785 (or 5782 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 10813869 is about 3288.4447691880. Note that the first 3 decimals coincide. The cubic root of 10813869 is about 221.1364676544.

It can be divided in two parts, 1081 and 3869, that added together give a triangular number (4950 = T₉₉).

The spelling of 10813869 in words is "ten million, eight hundred thirteen thousand, eight hundred sixty-nine".