13422043 has 4 divisors (see below), whose sum is σ = 13622440. Its totient is φ = 13221648.

The previous prime is 13422023. The next prime is 13422049. The reversal of 13422043 is 34022431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34022431 = 257 ⋅132383.

It is a cyclic number.

It is not a de Polignac number, because 13422043 - 2⁵ = 13422011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13422043.

It is not an unprimeable number, because it can be changed into a prime (13422049) 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, 100098 + ... + 100231.

It is an arithmetic number, because the mean of its divisors is an integer number (3405610).

Almost surely, 2^13422043 is an apocalyptic number.

13422043 is a deficient number, since it is larger than the sum of its proper divisors (200397).

13422043 is an equidigital number, since it uses as much as digits as its factorization.

13422043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200396.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 13422043 is about 3663.6106507106. The cubic root of 13422043 is about 237.6509430138.

Adding to 13422043 its reverse (34022431), we get a palindrome (47444474).

The spelling of 13422043 in words is "thirteen million, four hundred twenty-two thousand, forty-three".