13670043 has 4 divisors (see below), whose sum is σ = 18226728. Its totient is φ = 9113360.

The previous prime is 13670011. The next prime is 13670071. The reversal of 13670043 is 34007631.

13670043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13670043 - 2⁵ = 13670011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13669995 and 13670022.

It is not an unprimeable number, because it can be changed into a prime (13670093) 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, 2278338 + ... + 2278343.

It is an arithmetic number, because the mean of its divisors is an integer number (4556682).

Almost surely, 2^13670043 is an apocalyptic number.

13670043 is a deficient number, since it is larger than the sum of its proper divisors (4556685).

13670043 is an equidigital number, since it uses as much as digits as its factorization.

13670043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4556684.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 13670043 is about 3697.3021245227. The cubic root of 13670043 is about 239.1057170192.

Adding to 13670043 its reverse (34007631), we get a palindrome (47677674).

The spelling of 13670043 in words is "thirteen million, six hundred seventy thousand, forty-three".