13802986 has 8 divisors (see below), whose sum is σ = 20988324. Its totient is φ = 6806880.

The previous prime is 13802981. The next prime is 13802989. The reversal of 13802986 is 68920831.

It can be written as a sum of positive squares in 2 ways, for example, as 13286025 + 516961 = 3645^2 + 719^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13802981) 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, 47125 + ... + 47416.

Almost surely, 2^13802986 is an apocalyptic number.

13802986 is a deficient number, since it is larger than the sum of its proper divisors (7185338).

13802986 is an equidigital number, since it uses as much as digits as its factorization.

13802986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94616.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 13802986 is about 3715.2370045530. The cubic root of 13802986 is about 239.8783295320.

The spelling of 13802986 in words is "thirteen million, eight hundred two thousand, nine hundred eighty-six".