13051103 has 4 divisors (see below), whose sum is σ = 14055048. Its totient is φ = 12047160.

The previous prime is 13051063. The next prime is 13051109. The reversal of 13051103 is 30115031.

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 13051103 - 2⁸ = 13050847 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 (13051109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501953 + ... + 501978.

It is an arithmetic number, because the mean of its divisors is an integer number (3513762).

Almost surely, 2^13051103 is an apocalyptic number.

13051103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13051103 is a deficient number, since it is larger than the sum of its proper divisors (1003945).

13051103 is a wasteful number, since it uses less digits than its factorization.

13051103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003944.

The product of its (nonzero) digits is 45, while the sum is 14.

The square root of 13051103 is about 3612.6310356858. The cubic root of 13051103 is about 235.4411691554.

Adding to 13051103 its reverse (30115031), we get a palindrome (43166134).

The spelling of 13051103 in words is "thirteen million, fifty-one thousand, one hundred three".