13507743 has 4 divisors (see below), whose sum is σ = 18010328. Its totient is φ = 9005160.

The previous prime is 13507721. The next prime is 13507751. The reversal of 13507743 is 34770531.

13507743 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13507743 - 2¹⁸ = 13245599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13507743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13507343) 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, 2251288 + ... + 2251293.

It is an arithmetic number, because the mean of its divisors is an integer number (4502582).

Almost surely, 2^13507743 is an apocalyptic number.

13507743 is a deficient number, since it is larger than the sum of its proper divisors (4502585).

13507743 is an equidigital number, since it uses as much as digits as its factorization.

13507743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4502584.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 13507743 is about 3675.2881519685. The cubic root of 13507743 is about 238.1556722293.

The spelling of 13507743 in words is "thirteen million, five hundred seven thousand, seven hundred forty-three".