13403212 has 6 divisors (see below), whose sum is σ = 23455628. Its totient is φ = 6701604.

The previous prime is 13403209. The next prime is 13403233. The reversal of 13403212 is 21230431.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1675398 + ... + 1675405.

Almost surely, 2^13403212 is an apocalyptic number.

It is an amenable number.

13403212 is a deficient number, since it is larger than the sum of its proper divisors (10052416).

13403212 is a wasteful number, since it uses less digits than its factorization.

13403212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3350807 (or 3350805 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 13403212 is about 3661.0397430238. The cubic root of 13403212 is about 237.5397503180.

Adding to 13403212 its reverse (21230431), we get a palindrome (34633643).

It can be divided in two parts, 13 and 403212, that added together give a square (403225 = 635²).

The spelling of 13403212 in words is "thirteen million, four hundred three thousand, two hundred twelve".