13169485 has 20 divisors (see below), whose sum is σ = 18452988. Its totient is φ = 9022272.

The previous prime is 13169483. The next prime is 13169503. The reversal of 13169485 is 58496131.

It can be written as a sum of positive squares in 2 ways, for example, as 4235364 + 8934121 = 2058^2 + 2989^2 .

It is not a de Polignac number, because 13169485 - 2¹ = 13169483 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 (13169483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11457 + ... + 12553.

Almost surely, 2^13169485 is an apocalyptic number.

It is an amenable number.

13169485 is a deficient number, since it is larger than the sum of its proper divisors (5283503).

13169485 is an frugal number, since it uses more digits than its factorization.

13169485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130 (or 1109 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The square root of 13169485 is about 3628.9785064120. The cubic root of 13169485 is about 236.1508957898.

It can be divided in two parts, 1316 and 9485, that added together give a palindrome (10801).

The spelling of 13169485 in words is "thirteen million, one hundred sixty-nine thousand, four hundred eighty-five".