13732247 has 4 divisors (see below), whose sum is σ = 13991400. Its totient is φ = 13473096.

The previous prime is 13732241. The next prime is 13732331. The reversal of 13732247 is 74223731.

13732247 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: 74223731 = 29 ⋅2559439.

It is a cyclic number.

It is not a de Polignac number, because 13732247 - 2⁶ = 13732183 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 (13732241) 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, 129497 + ... + 129602.

It is an arithmetic number, because the mean of its divisors is an integer number (3497850).

Almost surely, 2^13732247 is an apocalyptic number.

13732247 is a deficient number, since it is larger than the sum of its proper divisors (259153).

13732247 is an equidigital number, since it uses as much as digits as its factorization.

13732247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259152.

The product of its digits is 7056, while the sum is 29.

The square root of 13732247 is about 3705.7046563373. The cubic root of 13732247 is about 239.4678428996.

Adding to 13732247 its reverse (74223731), we get a palindrome (87955978).

The spelling of 13732247 in words is "thirteen million, seven hundred thirty-two thousand, two hundred forty-seven".