13827249 has 12 divisors (see below), whose sum is σ = 20062900. Its totient is φ = 9176544.

The previous prime is 13827241. The next prime is 13827257. The reversal of 13827249 is 94272831.

It is an interprime number because it is at equal distance from previous prime (13827241) and next prime (13827257).

It can be written as a sum of positive squares in 2 ways, for example, as 11289600 + 2537649 = 3360^2 + 1593^2 .

It is not a de Polignac number, because 13827249 - 2³ = 13827241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13827241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1294 + ... + 5415.

Almost surely, 2^13827249 is an apocalyptic number.

It is an amenable number.

13827249 is a deficient number, since it is larger than the sum of its proper divisors (6235651).

13827249 is a wasteful number, since it uses less digits than its factorization.

13827249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6944 (or 6941 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 13827249 is about 3718.5009076239. The cubic root of 13827249 is about 240.0188006105.

The spelling of 13827249 in words is "thirteen million, eight hundred twenty-seven thousand, two hundred forty-nine".