13123213 has 8 divisors (see below), whose sum is σ = 13593888. Its totient is φ = 12660144.

The previous prime is 13123211. The next prime is 13123217. The reversal of 13123213 is 31232131.

13123213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13123213 - 2¹ = 13123211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123211) 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, 1731 + ... + 5407.

It is an arithmetic number, because the mean of its divisors is an integer number (1699236).

Almost surely, 2^13123213 is an apocalyptic number.

It is an amenable number.

13123213 is a deficient number, since it is larger than the sum of its proper divisors (470675).

13123213 is an equidigital number, since it uses as much as digits as its factorization.

13123213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3803.

The product of its digits is 108, while the sum is 16.

The square root of 13123213 is about 3622.5975487211. The cubic root of 13123213 is about 235.8739931088.

Adding to 13123213 its reverse (31232131), we get a palindrome (44355344).

The spelling of 13123213 in words is "thirteen million, one hundred twenty-three thousand, two hundred thirteen".