13212357 has 8 divisors (see below), whose sum is σ = 17640000. Its totient is φ = 8796480.

The previous prime is 13212347. The next prime is 13212377. The reversal of 13212357 is 75321231.

13212357 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 not a de Polignac number, because 13212357 - 2⁴ = 13212341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212307) 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, 144 + ... + 5142.

It is an arithmetic number, because the mean of its divisors is an integer number (2205000).

Almost surely, 2^13212357 is an apocalyptic number.

It is an amenable number.

13212357 is a deficient number, since it is larger than the sum of its proper divisors (4427643).

13212357 is an equidigital number, since it uses as much as digits as its factorization.

13212357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5883.

The product of its digits is 1260, while the sum is 24.

The square root of 13212357 is about 3634.8806032661. The cubic root of 13212357 is about 236.4068737784.

Adding to 13212357 its reverse (75321231), we get a palindrome (88533588).

The spelling of 13212357 in words is "thirteen million, two hundred twelve thousand, three hundred fifty-seven".