13141687 has 4 divisors (see below), whose sum is σ = 14152600. Its totient is φ = 12130776.

The previous prime is 13141631. The next prime is 13141691. The reversal of 13141687 is 78614131.

13141687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78614131 = 1609 ⋅48859.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13141687 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 (13141987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505437 + ... + 505462.

It is an arithmetic number, because the mean of its divisors is an integer number (3538150).

Almost surely, 2^13141687 is an apocalyptic number.

13141687 is a deficient number, since it is larger than the sum of its proper divisors (1010913).

13141687 is a wasteful number, since it uses less digits than its factorization.

13141687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010912.

The product of its digits is 4032, while the sum is 31.

The square root of 13141687 is about 3625.1464797991. The cubic root of 13141687 is about 235.9846238666.

The spelling of 13141687 in words is "thirteen million, one hundred forty-one thousand, six hundred eighty-seven".