13667049 has 24 divisors (see below), whose sum is σ = 22337952. Its totient is φ = 8281440.

The previous prime is 13667047. The next prime is 13667051. The reversal of 13667049 is 94076631.

It is an interprime number because it is at equal distance from previous prime (13667047) and next prime (13667051).

It is not a de Polignac number, because 13667049 - 2¹ = 13667047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13667041) 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 23 ways as a sum of consecutive naturals, for example, 117 + ... + 5229.

It is an arithmetic number, because the mean of its divisors is an integer number (930748).

Almost surely, 2^13667049 is an apocalyptic number.

It is an amenable number.

13667049 is a deficient number, since it is larger than the sum of its proper divisors (8670903).

13667049 is an equidigital number, since it uses as much as digits as its factorization.

13667049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5139 (or 5127 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 13667049 is about 3696.8972125284. The cubic root of 13667049 is about 239.0882595080.

The spelling of 13667049 in words is "thirteen million, six hundred sixty-seven thousand, forty-nine".