13403111 has 4 divisors (see below), whose sum is σ = 13411392. Its totient is φ = 13394832.

The previous prime is 13403107. The next prime is 13403119. The reversal of 13403111 is 11130431.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 11130431 = 13 ⋅856187.

It is a cyclic number.

It is not a de Polignac number, because 13403111 - 2² = 13403107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13403119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 830 + ... + 5243.

It is an arithmetic number, because the mean of its divisors is an integer number (3352848).

Almost surely, 2^13403111 is an apocalyptic number.

13403111 is a deficient number, since it is larger than the sum of its proper divisors (8281).

13403111 is an equidigital number, since it uses as much as digits as its factorization.

13403111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8280.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 13403111 is about 3661.0259491022. The cubic root of 13403111 is about 237.5391536557.

Adding to 13403111 its reverse (11130431), we get a palindrome (24533542).

The spelling of 13403111 in words is "thirteen million, four hundred three thousand, one hundred eleven".