14387739 has 4 divisors (see below), whose sum is σ = 19183656. Its totient is φ = 9591824.

The previous prime is 14387713. The next prime is 14387743. The reversal of 14387739 is 93778341.

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 14387739 - 2¹² = 14383643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14387739.

It is not an unprimeable number, because it can be changed into a prime (14387749) 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, 2397954 + ... + 2397959.

It is an arithmetic number, because the mean of its divisors is an integer number (4795914).

Almost surely, 2^14387739 is an apocalyptic number.

14387739 is a deficient number, since it is larger than the sum of its proper divisors (4795917).

14387739 is an equidigital number, since it uses as much as digits as its factorization.

14387739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4795916.

The product of its digits is 127008, while the sum is 42.

The square root of 14387739 is about 3793.1173195671. The cubic root of 14387739 is about 243.2190103283.

It can be divided in two parts, 143877 and 39, that added together give a triangular number (143916 = T₅₃₆).

The spelling of 14387739 in words is "fourteen million, three hundred eighty-seven thousand, seven hundred thirty-nine".