13700687 has 16 divisors (see below), whose sum is σ = 18396672. Its totient is φ = 9853920.

The previous prime is 13700681. The next prime is 13700707. The reversal of 13700687 is 78600731.

It is a happy number.

13700687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13700687 - 2⁴ = 13700671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13700681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5843 + ... + 7844.

It is an arithmetic number, because the mean of its divisors is an integer number (1149792).

Almost surely, 2^13700687 is an apocalyptic number.

13700687 is a deficient number, since it is larger than the sum of its proper divisors (4695985).

13700687 is a wasteful number, since it uses less digits than its factorization.

13700687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13718.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 13700687 is about 3701.4439074502. The cubic root of 13700687 is about 239.2842506525.

The spelling of 13700687 in words is "thirteen million, seven hundred thousand, six hundred eighty-seven".