13419685 has 8 divisors (see below), whose sum is σ = 16212600. Its totient is φ = 10663104.

The previous prime is 13419673. The next prime is 13419691. The reversal of 13419685 is 58691431.

It can be written as a sum of positive squares in 4 ways, for example, as 1682209 + 11737476 = 1297^2 + 3426^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13419685 - 2⁹ = 13419173 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8262 + ... + 9751.

It is an arithmetic number, because the mean of its divisors is an integer number (2026575).

Almost surely, 2^13419685 is an apocalyptic number.

It is an amenable number.

13419685 is a deficient number, since it is larger than the sum of its proper divisors (2792915).

13419685 is a wasteful number, since it uses less digits than its factorization.

13419685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18167.

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

The square root of 13419685 is about 3663.2888229022. The cubic root of 13419685 is about 237.6370252681.

It can be divided in two parts, 1341 and 9685, that added together give a triangular number (11026 = T₁₄₈).

The spelling of 13419685 in words is "thirteen million, four hundred nineteen thousand, six hundred eighty-five".