13494247 has 4 divisors (see below), whose sum is σ = 14532280. Its totient is φ = 12456216.

The previous prime is 13494241. The next prime is 13494287. The reversal of 13494247 is 74249431.

It is a happy number.

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 13494247 - 2⁷ = 13494119 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 (13494241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518997 + ... + 519022.

It is an arithmetic number, because the mean of its divisors is an integer number (3633070).

Almost surely, 2^13494247 is an apocalyptic number.

13494247 is a deficient number, since it is larger than the sum of its proper divisors (1038033).

13494247 is a wasteful number, since it uses less digits than its factorization.

13494247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038032.

The product of its digits is 24192, while the sum is 34.

The square root of 13494247 is about 3673.4516466125. The cubic root of 13494247 is about 238.0763295886.

It can be divided in two parts, 1349424 and 7, that added together give a palindrome (1349431).

The spelling of 13494247 in words is "thirteen million, four hundred ninety-four thousand, two hundred forty-seven".