13140775 has 18 divisors (see below), whose sum is σ = 16685192. Its totient is φ = 10266000.

The previous prime is 13140773. The next prime is 13140821. The reversal of 13140775 is 57704131.

It is not a de Polignac number, because 13140775 - 2¹ = 13140773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13140773) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 86950 + ... + 87100.

Almost surely, 2^13140775 is an apocalyptic number.

13140775 is a deficient number, since it is larger than the sum of its proper divisors (3544417).

13140775 is an equidigital number, since it uses as much as digits as its factorization.

13140775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 13140775 is about 3625.0206895961. The cubic root of 13140775 is about 235.9791648273.

The spelling of 13140775 in words is "thirteen million, one hundred forty thousand, seven hundred seventy-five".