13851212 has 24 divisors (see below), whose sum is σ = 25354560. Its totient is φ = 6612480.

The previous prime is 13851193. The next prime is 13851217. The reversal of 13851212 is 21215831.

It is a happy number.

13851212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13851217) 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, 10637 + ... + 11867.

It is an arithmetic number, because the mean of its divisors is an integer number (1056440).

Almost surely, 2^13851212 is an apocalyptic number.

It is an amenable number.

13851212 is a deficient number, since it is larger than the sum of its proper divisors (11503348).

13851212 is a wasteful number, since it uses less digits than its factorization.

13851212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361 (or 1359 counting only the distinct ones).

The product of its digits is 480, while the sum is 23.

The square root of 13851212 is about 3721.7216446156. The cubic root of 13851212 is about 240.1573736357.

The spelling of 13851212 in words is "thirteen million, eight hundred fifty-one thousand, two hundred twelve".