10813391 has 4 divisors (see below), whose sum is σ = 10827384. Its totient is φ = 10799400.

The previous prime is 10813379. The next prime is 10813393. The reversal of 10813391 is 19331801.

10813391 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19331801 = 131 ⋅147571.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10813391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10813391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10813393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5765 + ... + 7406.

It is an arithmetic number, because the mean of its divisors is an integer number (2706846).

Almost surely, 2^10813391 is an apocalyptic number.

10813391 is a deficient number, since it is larger than the sum of its proper divisors (13993).

10813391 is an equidigital number, since it uses as much as digits as its factorization.

10813391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13992.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 10813391 is about 3288.3720896517. The cubic root of 10813391 is about 221.1332093452.

The spelling of 10813391 in words is "ten million, eight hundred thirteen thousand, three hundred ninety-one".