13491682 has 4 divisors (see below), whose sum is σ = 20237526. Its totient is φ = 6745840.

The previous prime is 13491677. The next prime is 13491689. The reversal of 13491682 is 28619431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10699441 + 2792241 = 3271^2 + 1671^2 .

It is not an unprimeable number, because it can be changed into a prime (13491689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3372919 + ... + 3372922.

Almost surely, 2^13491682 is an apocalyptic number.

13491682 is a deficient number, since it is larger than the sum of its proper divisors (6745844).

13491682 is an equidigital number, since it uses as much as digits as its factorization.

13491682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6745843.

The product of its digits is 10368, while the sum is 34.

The square root of 13491682 is about 3673.1025033342. The cubic root of 13491682 is about 238.0612440369.

The spelling of 13491682 in words is "thirteen million, four hundred ninety-one thousand, six hundred eighty-two".