13827903 has 4 divisors (see below), whose sum is σ = 18437208. Its totient is φ = 9218600.

The previous prime is 13827833. The next prime is 13827911. The reversal of 13827903 is 30972831.

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 13827903 - 2¹⁴ = 13811519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13827943) 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, 2304648 + ... + 2304653.

It is an arithmetic number, because the mean of its divisors is an integer number (4609302).

Almost surely, 2^13827903 is an apocalyptic number.

13827903 is a deficient number, since it is larger than the sum of its proper divisors (4609305).

13827903 is an equidigital number, since it uses as much as digits as its factorization.

13827903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4609304.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 13827903 is about 3718.5888452476. The cubic root of 13827903 is about 240.0225846802.

The spelling of 13827903 in words is "thirteen million, eight hundred twenty-seven thousand, nine hundred three".