13738247 has 4 divisors (see below), whose sum is σ = 13830600. Its totient is φ = 13645896.

The previous prime is 13738217. The next prime is 13738253. The reversal of 13738247 is 74283731.

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 13738247 - 2¹⁰ = 13737223 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 (13738217) 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, 45953 + ... + 46250.

It is an arithmetic number, because the mean of its divisors is an integer number (3457650).

Almost surely, 2^13738247 is an apocalyptic number.

13738247 is a deficient number, since it is larger than the sum of its proper divisors (92353).

13738247 is an equidigital number, since it uses as much as digits as its factorization.

13738247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92352.

The product of its digits is 28224, while the sum is 35.

The square root of 13738247 is about 3706.5141305545. The cubic root of 13738247 is about 239.5027145378.

The spelling of 13738247 in words is "thirteen million, seven hundred thirty-eight thousand, two hundred forty-seven".