13212434 has 16 divisors (see below), whose sum is σ = 21254400. Its totient is φ = 6137664.

The previous prime is 13212431. The next prime is 13212439. The reversal of 13212434 is 43421231.

It is not an unprimeable number, because it can be changed into a prime (13212431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227 + ... + 5145.

It is an arithmetic number, because the mean of its divisors is an integer number (1328400).

Almost surely, 2^13212434 is an apocalyptic number.

13212434 is a deficient number, since it is larger than the sum of its proper divisors (8041966).

13212434 is a wasteful number, since it uses less digits than its factorization.

13212434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5017.

The product of its digits is 576, while the sum is 20.

The square root of 13212434 is about 3634.8911950704. The cubic root of 13212434 is about 236.4073330276.

Adding to 13212434 its reverse (43421231), we get a palindrome (56633665).

The spelling of 13212434 in words is "thirteen million, two hundred twelve thousand, four hundred thirty-four".