13767145 has 16 divisors (see below), whose sum is σ = 19392768. Its totient is φ = 9184320.

The previous prime is 13767139. The next prime is 13767157. The reversal of 13767145 is 54176731.

It is not a de Polignac number, because 13767145 - 2³ = 13767137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13767145.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4021 + ... + 6610.

It is an arithmetic number, because the mean of its divisors is an integer number (1212048).

Almost surely, 2^13767145 is an apocalyptic number.

It is an amenable number.

13767145 is a deficient number, since it is larger than the sum of its proper divisors (5625623).

13767145 is a wasteful number, since it uses less digits than its factorization.

13767145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10680.

The product of its digits is 17640, while the sum is 34.

The square root of 13767145 is about 3710.4103546643. The cubic root of 13767145 is about 239.6705259113.

The spelling of 13767145 in words is "thirteen million, seven hundred sixty-seven thousand, one hundred forty-five".