13743887 has 4 divisors (see below), whose sum is σ = 13909560. Its totient is φ = 13578216.

The previous prime is 13743841. The next prime is 13743901. The reversal of 13743887 is 78834731.

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 13743887 - 2⁶ = 13743823 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 (13743827) 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, 82712 + ... + 82877.

It is an arithmetic number, because the mean of its divisors is an integer number (3477390).

Almost surely, 2^13743887 is an apocalyptic number.

13743887 is a deficient number, since it is larger than the sum of its proper divisors (165673).

13743887 is an equidigital number, since it uses as much as digits as its factorization.

13743887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165672.

The product of its digits is 112896, while the sum is 41.

The square root of 13743887 is about 3707.2748751610. The cubic root of 13743887 is about 239.5354846213.

The spelling of 13743887 in words is "thirteen million, seven hundred forty-three thousand, eight hundred eighty-seven".