13085775 has 36 divisors (see below), whose sum is σ = 24679720. Its totient is φ = 6609600.

The previous prime is 13085741. The next prime is 13085791. The reversal of 13085775 is 57758031.

It is not a de Polignac number, because 13085775 - 2⁹ = 13085263 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2745 + ... + 5805.

Almost surely, 2^13085775 is an apocalyptic number.

13085775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13085775 is a deficient number, since it is larger than the sum of its proper divisors (11593945).

13085775 is a wasteful number, since it uses less digits than its factorization.

13085775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3096 (or 3088 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 36.

The square root of 13085775 is about 3617.4265714732. The cubic root of 13085775 is about 235.6494784448.

It can be divided in two parts, 130 and 85775, that added together give a triangular number (85905 = T₄₁₄).

The spelling of 13085775 in words is "thirteen million, eighty-five thousand, seven hundred seventy-five".