13155212 has 48 divisors (see below), whose sum is σ = 28848960. Its totient is φ = 5117952.

The previous prime is 13155209. The next prime is 13155221. The reversal of 13155212 is 21255131.

It is a happy number.

13155212 is nontrivially palindromic in base 16.

13155212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13328 + ... + 14280.

It is an arithmetic number, because the mean of its divisors is an integer number (601020).

Almost surely, 2^13155212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13155212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14424480).

13155212 is an abundant number, since it is smaller than the sum of its proper divisors (15693748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13155212 is a wasteful number, since it uses less digits than its factorization.

13155212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010 (or 1008 counting only the distinct ones).

The product of its digits is 300, while the sum is 20.

The square root of 13155212 is about 3627.0114419450. The cubic root of 13155212 is about 236.0655520288.

The spelling of 13155212 in words is "thirteen million, one hundred fifty-five thousand, two hundred twelve".