13789747 has 4 divisors (see below), whose sum is σ = 13841280. Its totient is φ = 13738216.

The previous prime is 13789733. The next prime is 13789793. The reversal of 13789747 is 74798731.

13789747 is digitally balanced in base 2, 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, and also an emirpimes, since its reverse is a distinct semiprime: 74798731 = 7 ⋅10685533.

It is a cyclic number.

It is not a de Polignac number, because 13789747 - 2⁷ = 13789619 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13789697 and 13789706.

It is not an unprimeable number, because it can be changed into a prime (13789247) 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, 25363 + ... + 25900.

It is an arithmetic number, because the mean of its divisors is an integer number (3460320).

Almost surely, 2^13789747 is an apocalyptic number.

13789747 is a deficient number, since it is larger than the sum of its proper divisors (51533).

13789747 is an equidigital number, since it uses as much as digits as its factorization.

13789747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51532.

The product of its digits is 296352, while the sum is 46.

The square root of 13789747 is about 3713.4548603692. The cubic root of 13789747 is about 239.8016126758.

The spelling of 13789747 in words is "thirteen million, seven hundred eighty-nine thousand, seven hundred forty-seven".