13887003 has 8 divisors (see below), whose sum is σ = 19940368. Its totient is φ = 8545824.

The previous prime is 13887001. The next prime is 13887019. The reversal of 13887003 is 30078831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13887003 - 2¹ = 13887001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13887001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178000 + ... + 178077.

It is an arithmetic number, because the mean of its divisors is an integer number (2492546).

Almost surely, 2^13887003 is an apocalyptic number.

13887003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13887003 is a deficient number, since it is larger than the sum of its proper divisors (6053365).

13887003 is a wasteful number, since it uses less digits than its factorization.

13887003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356093.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 13887003 is about 3726.5269353649. The cubic root of 13887003 is about 240.3640482023.

The spelling of 13887003 in words is "thirteen million, eight hundred eighty-seven thousand, three".