13867049 has 6 divisors (see below), whose sum is σ = 16131114. Its totient is φ = 11886000.

The previous prime is 13867043. The next prime is 13867067. The reversal of 13867049 is 94076831.

It can be written as a sum of positive squares in only one way, i.e., 9486400 + 4380649 = 3080^2 + 2093^2 .

It is not a de Polignac number, because 13867049 - 2⁴ = 13867033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13867043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141452 + ... + 141549.

It is an arithmetic number, because the mean of its divisors is an integer number (2688519).

Almost surely, 2^13867049 is an apocalyptic number.

It is an amenable number.

13867049 is a deficient number, since it is larger than the sum of its proper divisors (2264065).

13867049 is an equidigital number, since it uses as much as digits as its factorization.

13867049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283015 (or 283008 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 13867049 is about 3723.8486811362. The cubic root of 13867049 is about 240.2488680045.

The spelling of 13867049 in words is "thirteen million, eight hundred sixty-seven thousand, forty-nine".