13212334 has 16 divisors (see below), whose sum is σ = 20954880. Its totient is φ = 6230520.

The previous prime is 13212307. The next prime is 13212337. The reversal of 13212334 is 43321231.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212337) 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 7 ways as a sum of consecutive naturals, for example, 9657 + ... + 10939.

It is an arithmetic number, because the mean of its divisors is an integer number (1309680).

Almost surely, 2^13212334 is an apocalyptic number.

13212334 is a deficient number, since it is larger than the sum of its proper divisors (7742546).

13212334 is a wasteful number, since it uses less digits than its factorization.

13212334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575.

The product of its digits is 432, while the sum is 19.

The square root of 13212334 is about 3634.8774394744. The cubic root of 13212334 is about 236.4067365997.

Adding to 13212334 its reverse (43321231), we get a palindrome (56533565).

It can be divided in two parts, 1321 and 2334, that added together give a triangular number (3655 = T₈₅).

The spelling of 13212334 in words is "thirteen million, two hundred twelve thousand, three hundred thirty-four".