13401212 has 24 divisors (see below), whose sum is σ = 26008752. Its totient is φ = 5990400.

The previous prime is 13401211. The next prime is 13401217. The reversal of 13401212 is 21210431.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13401211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188 + ... + 5180.

It is an arithmetic number, because the mean of its divisors is an integer number (1083698).

Almost surely, 2^13401212 is an apocalyptic number.

It is an amenable number.

13401212 is a deficient number, since it is larger than the sum of its proper divisors (12607540).

13401212 is a wasteful number, since it uses less digits than its factorization.

13401212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5069 (or 5067 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 13401212 is about 3660.7665863860. The cubic root of 13401212 is about 237.5279346643.

Adding to 13401212 its reverse (21210431), we get a palindrome (34611643).

It can be divided in two parts, 1340 and 1212, that added together give a palindrome (2552).

The spelling of 13401212 in words is "thirteen million, four hundred one thousand, two hundred twelve".