13394739 has 8 divisors (see below), whose sum is σ = 17914000. Its totient is φ = 8902656.

The previous prime is 13394737. The next prime is 13394747. The reversal of 13394739 is 93749331.

13394739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13394739 - 2¹ = 13394737 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 13394697 and 13394706.

It is not an unprimeable number, because it can be changed into a prime (13394737) 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, 5614 + ... + 7635.

It is an arithmetic number, because the mean of its divisors is an integer number (2239250).

Almost surely, 2^13394739 is an apocalyptic number.

13394739 is a deficient number, since it is larger than the sum of its proper divisors (4519261).

13394739 is a wasteful number, since it uses less digits than its factorization.

13394739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13589.

The product of its digits is 61236, while the sum is 39.

The square root of 13394739 is about 3659.8823751591. The cubic root of 13394739 is about 237.4896852399.

The spelling of 13394739 in words is "thirteen million, three hundred ninety-four thousand, seven hundred thirty-nine".