13738747 has 4 divisors (see below), whose sum is σ = 14987736. Its totient is φ = 12489760.

The previous prime is 13738717. The next prime is 13738849. The reversal of 13738747 is 74783731.

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

It is a cyclic number.

It is not a de Polignac number, because 13738747 - 2²³ = 5350139 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13738717) 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, 624478 + ... + 624499.

It is an arithmetic number, because the mean of its divisors is an integer number (3746934).

Almost surely, 2^13738747 is an apocalyptic number.

13738747 is a deficient number, since it is larger than the sum of its proper divisors (1248989).

13738747 is a wasteful number, since it uses less digits than its factorization.

13738747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248988.

The product of its digits is 98784, while the sum is 40.

The square root of 13738747 is about 3706.5815787596. The cubic root of 13738747 is about 239.5056200493.

The spelling of 13738747 in words is "thirteen million, seven hundred thirty-eight thousand, seven hundred forty-seven".