13860535 has 24 divisors (see below), whose sum is σ = 18446400. Its totient is φ = 9988992.

The previous prime is 13860493. The next prime is 13860541. The reversal of 13860535 is 53506831.

It is not a de Polignac number, because 13860535 - 2²¹ = 11763383 is a prime.

It is a super-2 number, since 2×13860535² = 384228860972450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13860497 and 13860506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39541 + ... + 39889.

It is an arithmetic number, because the mean of its divisors is an integer number (768600).

Almost surely, 2^13860535 is an apocalyptic number.

13860535 is a deficient number, since it is larger than the sum of its proper divisors (4585865).

13860535 is a wasteful number, since it uses less digits than its factorization.

13860535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 13860535 is about 3722.9739456515. The cubic root of 13860535 is about 240.2112434112.

The spelling of 13860535 in words is "thirteen million, eight hundred sixty thousand, five hundred thirty-five".