13429843 has 4 divisors (see below), whose sum is σ = 15348400. Its totient is φ = 11511288.

The previous prime is 13429841. The next prime is 13429849. The reversal of 13429843 is 34892431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34892431 = 7 ⋅4984633.

It is a cyclic number.

It is not a de Polignac number, because 13429843 - 2¹ = 13429841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13429799 and 13429808.

It is not an unprimeable number, because it can be changed into a prime (13429841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 959268 + ... + 959281.

It is an arithmetic number, because the mean of its divisors is an integer number (3837100).

Almost surely, 2^13429843 is an apocalyptic number.

13429843 is a deficient number, since it is larger than the sum of its proper divisors (1918557).

13429843 is an equidigital number, since it uses as much as digits as its factorization.

13429843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918556.

The product of its digits is 20736, while the sum is 34.

The square root of 13429843 is about 3664.6750196982. The cubic root of 13429843 is about 237.6969697474.

The spelling of 13429843 in words is "thirteen million, four hundred twenty-nine thousand, eight hundred forty-three".