13701986 has 8 divisors (see below), whose sum is σ = 20643420. Its totient is φ = 6820848.

The previous prime is 13701979. The next prime is 13701991. The reversal of 13701986 is 68910731.

It can be written as a sum of positive squares in 2 ways, for example, as 10530025 + 3171961 = 3245^2 + 1781^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14501 + ... + 15416.

Almost surely, 2^13701986 is an apocalyptic number.

13701986 is a deficient number, since it is larger than the sum of its proper divisors (6941434).

13701986 is a wasteful number, since it uses less digits than its factorization.

13701986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30148.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 13701986 is about 3701.6193753545. The cubic root of 13701986 is about 239.2918128138.

The spelling of 13701986 in words is "thirteen million, seven hundred one thousand, nine hundred eighty-six".