13998743 has 8 divisors (see below), whose sum is σ = 15935616. Its totient is φ = 12172600.

The previous prime is 13998737. The next prime is 13998773. The reversal of 13998743 is 34789931.

It is a happy number.

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

It is not a de Polignac number, because 13998743 - 2⁶ = 13998679 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13998694 and 13998703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13998713) 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, 27413 + ... + 27918.

It is an arithmetic number, because the mean of its divisors is an integer number (1991952).

Almost surely, 2^13998743 is an apocalyptic number.

13998743 is a deficient number, since it is larger than the sum of its proper divisors (1936873).

13998743 is a wasteful number, since it uses less digits than its factorization.

13998743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55365.

The product of its digits is 163296, while the sum is 44.

The square root of 13998743 is about 3741.4894093128. The cubic root of 13998743 is about 241.0070129901.

It can be divided in two parts, 13998 and 743, that added together give a palindrome (14741).

The spelling of 13998743 in words is "thirteen million, nine hundred ninety-eight thousand, seven hundred forty-three".