13427903 has 4 divisors (see below), whose sum is σ = 13546848. Its totient is φ = 13308960.

The previous prime is 13427863. The next prime is 13427917. The reversal of 13427903 is 30972431.

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 13427903 - 2²⁰ = 12379327 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 (13427933) 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, 59303 + ... + 59528.

It is an arithmetic number, because the mean of its divisors is an integer number (3386712).

Almost surely, 2^13427903 is an apocalyptic number.

13427903 is a deficient number, since it is larger than the sum of its proper divisors (118945).

13427903 is a wasteful number, since it uses less digits than its factorization.

13427903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118944.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 13427903 is about 3664.4103209111. The cubic root of 13427903 is about 237.6855237380.

The spelling of 13427903 in words is "thirteen million, four hundred twenty-seven thousand, nine hundred three".