13686274 has 8 divisors (see below), whose sum is σ = 23462208. Its totient is φ = 5865540.

The previous prime is 13686271. The next prime is 13686287. The reversal of 13686274 is 47268631.

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 (13686271) 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, 488782 + ... + 488809.

It is an arithmetic number, because the mean of its divisors is an integer number (2932776).

Almost surely, 2^13686274 is an apocalyptic number.

13686274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13686274 is a deficient number, since it is larger than the sum of its proper divisors (9775934).

13686274 is an equidigital number, since it uses as much as digits as its factorization.

13686274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977600.

The product of its digits is 48384, while the sum is 37.

The square root of 13686274 is about 3699.4964522216. The cubic root of 13686274 is about 239.2003129156.

It can be divided in two parts, 1368627 and 4, that added together give a palindrome (1368631).

The spelling of 13686274 in words is "thirteen million, six hundred eighty-six thousand, two hundred seventy-four".