13912903 has 4 divisors (see below), whose sum is σ = 13932040. Its totient is φ = 13893768.

The previous prime is 13912901. The next prime is 13912909. The reversal of 13912903 is 30921931.

13912903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30921931 = 151 ⋅204781.

It is a cyclic number.

It is not a de Polignac number, because 13912903 - 2¹ = 13912901 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 (13912901) 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, 8433 + ... + 9946.

It is an arithmetic number, because the mean of its divisors is an integer number (3483010).

Almost surely, 2^13912903 is an apocalyptic number.

13912903 is a deficient number, since it is larger than the sum of its proper divisors (19137).

13912903 is an equidigital number, since it uses as much as digits as its factorization.

13912903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19136.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 13912903 is about 3730.0004021448. Note that the first 3 decimals coincide. The cubic root of 13912903 is about 240.5133859825.

Subtracting 13912903 from its reverse (30921931), we obtain a triangular number (17009028 = T₅₈₃₂).

The spelling of 13912903 in words is "thirteen million, nine hundred twelve thousand, nine hundred three".