13102811 has 4 divisors (see below), whose sum is σ = 13161792. Its totient is φ = 13043832.

The previous prime is 13102807. The next prime is 13102823. The reversal of 13102811 is 11820131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13102811 - 2² = 13102807 is a prime.

It is a super-2 number, since 2×13102811² = 343367312203442, which contains 22 as substring.

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 13102811.

It is not an unprimeable number, because it can be changed into a prime (13102871) 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, 29156 + ... + 29601.

It is an arithmetic number, because the mean of its divisors is an integer number (3290448).

Almost surely, 2^13102811 is an apocalyptic number.

13102811 is a deficient number, since it is larger than the sum of its proper divisors (58981).

13102811 is an equidigital number, since it uses as much as digits as its factorization.

13102811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58980.

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 13102811 is about 3619.7805182083. The cubic root of 13102811 is about 235.7516958945.

Adding to 13102811 its reverse (11820131), we get a palindrome (24922942).

The spelling of 13102811 in words is "thirteen million, one hundred two thousand, eight hundred eleven".