13860591 has 8 divisors (see below), whose sum is σ = 18498480. Its totient is φ = 9231552.

The previous prime is 13860589. The next prime is 13860611. The reversal of 13860591 is 19506831.

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

It is not a de Polignac number, because 13860591 - 2¹ = 13860589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13860541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3715 + ... + 6443.

It is an arithmetic number, because the mean of its divisors is an integer number (2312310).

Almost surely, 2^13860591 is an apocalyptic number.

13860591 is a deficient number, since it is larger than the sum of its proper divisors (4637889).

13860591 is a wasteful number, since it uses less digits than its factorization.

13860591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4425.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 13860591 is about 3722.9814665131. The cubic root of 13860591 is about 240.2115669151.

The spelling of 13860591 in words is "thirteen million, eight hundred sixty thousand, five hundred ninety-one".