13422811 has 4 divisors (see below), whose sum is σ = 13592800. Its totient is φ = 13252824.

The previous prime is 13422793. The next prime is 13422817. The reversal of 13422811 is 11822431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11822431 = 167 ⋅70793.

It is a cyclic number.

It is not a de Polignac number, because 13422811 - 2²¹ = 11325659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13422817) 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, 84876 + ... + 85033.

It is an arithmetic number, because the mean of its divisors is an integer number (3398200).

Almost surely, 2^13422811 is an apocalyptic number.

13422811 is a deficient number, since it is larger than the sum of its proper divisors (169989).

13422811 is an equidigital number, since it uses as much as digits as its factorization.

13422811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169988.

The product of its digits is 384, while the sum is 22.

The square root of 13422811 is about 3663.7154638427. The cubic root of 13422811 is about 237.6554756681.

The spelling of 13422811 in words is "thirteen million, four hundred twenty-two thousand, eight hundred eleven".