13391743 has 8 divisors (see below), whose sum is σ = 13879728. Its totient is φ = 12910464.

The previous prime is 13391731. The next prime is 13391747. The reversal of 13391743 is 34719331.

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

It is a cyclic number.

It is not a de Polignac number, because 13391743 - 2⁵ = 13391711 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 (13391747) 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, 2580 + ... + 5782.

It is an arithmetic number, because the mean of its divisors is an integer number (1734966).

Almost surely, 2^13391743 is an apocalyptic number.

13391743 is a deficient number, since it is larger than the sum of its proper divisors (487985).

13391743 is a wasteful number, since it uses less digits than its factorization.

13391743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3353.

The product of its digits is 6804, while the sum is 31.

The square root of 13391743 is about 3659.4730494977. The cubic root of 13391743 is about 237.4719774879.

The spelling of 13391743 in words is "thirteen million, three hundred ninety-one thousand, seven hundred forty-three".