13660187 has 8 divisors (see below), whose sum is σ = 13915872. Its totient is φ = 13406400.

The previous prime is 13660159. The next prime is 13660193. The reversal of 13660187 is 78106631.

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 13660187 - 2⁶ = 13660123 is a prime.

It is a Duffinian number.

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (13660117) 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, 29663 + ... + 30119.

It is an arithmetic number, because the mean of its divisors is an integer number (1739484).

Almost surely, 2^13660187 is an apocalyptic number.

13660187 is a deficient number, since it is larger than the sum of its proper divisors (255685).

13660187 is an equidigital number, since it uses as much as digits as its factorization.

13660187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 13660187 is about 3695.9690204329. The cubic root of 13660187 is about 239.0482387181.

The spelling of 13660187 in words is "thirteen million, six hundred sixty thousand, one hundred eighty-seven".