13220103 has 16 divisors (see below), whose sum is σ = 19297376. Its totient is φ = 8000640.

The previous prime is 13220099. The next prime is 13220117. The reversal of 13220103 is 30102231.

It is a happy number.

13220103 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13220103 - 2² = 13220099 is a prime.

It is a super-2 number, since 2×13220103² = 349542246661218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400 + ... + 5157.

It is an arithmetic number, because the mean of its divisors is an integer number (1206086).

Almost surely, 2^13220103 is an apocalyptic number.

13220103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13220103 is a deficient number, since it is larger than the sum of its proper divisors (6077273).

13220103 is a wasteful number, since it uses less digits than its factorization.

13220103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5634.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 13220103 is about 3635.9459566941. The cubic root of 13220103 is about 236.4530641213.

Adding to 13220103 its reverse (30102231), we get a palindrome (43322334).

It can be divided in two parts, 13 and 220103, that added together give a triangular number (220116 = T₆₆₃).

The spelling of 13220103 in words is "thirteen million, two hundred twenty thousand, one hundred three".