13223434 has 24 divisors (see below), whose sum is σ = 23474880. Its totient is φ = 5568696.

The previous prime is 13223423. The next prime is 13223437. The reversal of 13223434 is 43432231.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13223437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4639 + ... + 6925.

It is an arithmetic number, because the mean of its divisors is an integer number (978120).

Almost surely, 2^13223434 is an apocalyptic number.

13223434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13223434 is a deficient number, since it is larger than the sum of its proper divisors (10251446).

13223434 is a wasteful number, since it uses less digits than its factorization.

13223434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2362 (or 2355 counting only the distinct ones).

The product of its digits is 1728, while the sum is 22.

The square root of 13223434 is about 3636.4039929579. The cubic root of 13223434 is about 236.4729217329.

Adding to 13223434 its reverse (43432231), we get a palindrome (56655665).

The spelling of 13223434 in words is "thirteen million, two hundred twenty-three thousand, four hundred thirty-four".