13512213 has 24 divisors (see below), whose sum is σ = 22932000. Its totient is φ = 7558560.

The previous prime is 13512209. The next prime is 13512221. The reversal of 13512213 is 31221531.

13512213 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13512213 - 2² = 13512209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13512203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3963 + ... + 6536.

It is an arithmetic number, because the mean of its divisors is an integer number (955500).

Almost surely, 2^13512213 is an apocalyptic number.

13512213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13512213 is a deficient number, since it is larger than the sum of its proper divisors (9419787).

13512213 is a wasteful number, since it uses less digits than its factorization.

13512213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10529 (or 10526 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 13512213 is about 3675.8962172510. The cubic root of 13512213 is about 238.1819395943.

Adding to 13512213 its reverse (31221531), we get a palindrome (44733744).

The spelling of 13512213 in words is "thirteen million, five hundred twelve thousand, two hundred thirteen".