13213103 has 4 divisors (see below), whose sum is σ = 13226928. Its totient is φ = 13199280.

The previous prime is 13213093. The next prime is 13213121. The reversal of 13213103 is 30131231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30131231 = 13 ⋅2317787.

It is a cyclic number.

It is not a de Polignac number, because 13213103 - 2⁴ = 13213087 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 (13213153) 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, 5363 + ... + 7428.

It is an arithmetic number, because the mean of its divisors is an integer number (3306732).

Almost surely, 2^13213103 is an apocalyptic number.

13213103 is a deficient number, since it is larger than the sum of its proper divisors (13825).

13213103 is a wasteful number, since it uses less digits than its factorization.

13213103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13824.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 13213103 is about 3634.9832186683. The cubic root of 13213103 is about 236.4113230529.

Adding to 13213103 its reverse (30131231), we get a palindrome (43344334).

The spelling of 13213103 in words is "thirteen million, two hundred thirteen thousand, one hundred three".