13012103 has 4 divisors (see below), whose sum is σ = 14013048. Its totient is φ = 12011160.

The previous prime is 13012081. The next prime is 13012117. The reversal of 13012103 is 30121031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30121031 = 47 ⋅640873.

It is a cyclic number.

It is not a de Polignac number, because 13012103 - 2¹⁰ = 13011079 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 (13012303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500453 + ... + 500478.

It is an arithmetic number, because the mean of its divisors is an integer number (3503262).

Almost surely, 2^13012103 is an apocalyptic number.

13012103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13012103 is a deficient number, since it is larger than the sum of its proper divisors (1000945).

13012103 is a wasteful number, since it uses less digits than its factorization.

13012103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000944.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 13012103 is about 3607.2292691206. The cubic root of 13012103 is about 235.2064158920.

Adding to 13012103 its reverse (30121031), we get a palindrome (43133134).

The spelling of 13012103 in words is "thirteen million, twelve thousand, one hundred three".