13485771 has 28 divisors (see below), whose sum is σ = 21790048. Its totient is φ = 8293104.

The previous prime is 13485739. The next prime is 13485781. The reversal of 13485771 is 17758431.

It is not a de Polignac number, because 13485771 - 2⁵ = 13485739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13485701) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 8766 + ... + 10188.

It is an arithmetic number, because the mean of its divisors is an integer number (778216).

Almost surely, 2^13485771 is an apocalyptic number.

13485771 is a deficient number, since it is larger than the sum of its proper divisors (8304277).

13485771 is an equidigital number, since it uses as much as digits as its factorization.

13485771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454 (or 1439 counting only the distinct ones).

The product of its digits is 23520, while the sum is 36.

The square root of 13485771 is about 3672.2977820433. The cubic root of 13485771 is about 238.0264723514.

It can be divided in two parts, 134 and 85771, that added together give a triangular number (85905 = T₄₁₄).

The spelling of 13485771 in words is "thirteen million, four hundred eighty-five thousand, seven hundred seventy-one".