13748887 has 4 divisors (see below), whose sum is σ = 13833400. Its totient is φ = 13664376.

The previous prime is 13748879. The next prime is 13748897. The reversal of 13748887 is 78884731.

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 13748887 - 2³ = 13748879 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 (13748807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42012 + ... + 42337.

It is an arithmetic number, because the mean of its divisors is an integer number (3458350).

Almost surely, 2^13748887 is an apocalyptic number.

13748887 is a deficient number, since it is larger than the sum of its proper divisors (84513).

13748887 is an equidigital number, since it uses as much as digits as its factorization.

13748887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84512.

The product of its digits is 301056, while the sum is 46.

The square root of 13748887 is about 3707.9491636213. The cubic root of 13748887 is about 239.5645286177.

The spelling of 13748887 in words is "thirteen million, seven hundred forty-eight thousand, eight hundred eighty-seven".