13286945 has 32 divisors (see below), whose sum is σ = 19554048. Its totient is φ = 8460288.

The previous prime is 13286927. The next prime is 13286953. The reversal of 13286945 is 54968231.

It is a happy number.

13286945 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-13286945 is a prime.

It is a Duffinian number.

13286945 is strictly pandigital in base 8.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13286899 and 13286908.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81434 + ... + 81596.

It is an arithmetic number, because the mean of its divisors is an integer number (611064).

Almost surely, 2^13286945 is an apocalyptic number.

It is an amenable number.

13286945 is a deficient number, since it is larger than the sum of its proper divisors (6267103).

13286945 is a wasteful number, since it uses less digits than its factorization.

13286945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329.

The product of its digits is 51840, while the sum is 38.

The square root of 13286945 is about 3645.1261980897. The cubic root of 13286945 is about 236.8509035111.

The spelling of 13286945 in words is "thirteen million, two hundred eighty-six thousand, nine hundred forty-five".