12915103 has 4 divisors (see below), whose sum is σ = 13126888. Its totient is φ = 12703320.

The previous prime is 12915101. The next prime is 12915107. The reversal of 12915103 is 30151921.

12915103 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 12915103 - 2¹ = 12915101 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 (12915101) 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, 105801 + ... + 105922.

It is an arithmetic number, because the mean of its divisors is an integer number (3281722).

Almost surely, 2^12915103 is an apocalyptic number.

12915103 is a deficient number, since it is larger than the sum of its proper divisors (211785).

12915103 is an equidigital number, since it uses as much as digits as its factorization.

12915103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211784.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 12915103 is about 3593.7588956412. The cubic root of 12915103 is about 234.6205011074.

The spelling of 12915103 in words is "twelve million, nine hundred fifteen thousand, one hundred three".