13422511 has 4 divisors (see below), whose sum is σ = 13584312. Its totient is φ = 13260712.

The previous prime is 13422509. The next prime is 13422517. The reversal of 13422511 is 11522431.

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 13422511 - 2¹ = 13422509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13422517) 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, 80776 + ... + 80941.

It is an arithmetic number, because the mean of its divisors is an integer number (3396078).

Almost surely, 2^13422511 is an apocalyptic number.

13422511 is a deficient number, since it is larger than the sum of its proper divisors (161801).

13422511 is an equidigital number, since it uses as much as digits as its factorization.

13422511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161800.

The product of its digits is 240, while the sum is 19.

The square root of 13422511 is about 3663.6745215698. The cubic root of 13422511 is about 237.6537051205.

Adding to 13422511 its reverse (11522431), we get a palindrome (24944942).

The spelling of 13422511 in words is "thirteen million, four hundred twenty-two thousand, five hundred eleven".