13682434 has 4 divisors (see below), whose sum is σ = 20523654. Its totient is φ = 6841216.

The previous prime is 13682419. The next prime is 13682437. The reversal of 13682434 is 43428631.

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., 11868025 + 1814409 = 3445^2 + 1347^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 13682396 and 13682405.

It is not an unprimeable number, because it can be changed into a prime (13682437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3420607 + ... + 3420610.

Almost surely, 2^13682434 is an apocalyptic number.

13682434 is a deficient number, since it is larger than the sum of its proper divisors (6841220).

13682434 is an equidigital number, since it uses as much as digits as its factorization.

13682434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6841219.

The product of its digits is 13824, while the sum is 31.

The square root of 13682434 is about 3698.9774262626. The cubic root of 13682434 is about 239.1779397671.

The spelling of 13682434 in words is "thirteen million, six hundred eighty-two thousand, four hundred thirty-four".