13213453 has 8 divisors (see below), whose sum is σ = 14485536. Its totient is φ = 11953200.

The previous prime is 13213451. The next prime is 13213481. The reversal of 13213453 is 35431231.

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 13213453 - 2¹ = 13213451 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 (13213451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526 + ... + 5167.

It is an arithmetic number, because the mean of its divisors is an integer number (1810692).

Almost surely, 2^13213453 is an apocalyptic number.

It is an amenable number.

13213453 is a deficient number, since it is larger than the sum of its proper divisors (1272083).

13213453 is a wasteful number, since it uses less digits than its factorization.

13213453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5915.

The product of its digits is 1080, while the sum is 22.

The square root of 13213453 is about 3635.0313616254. The cubic root of 13213453 is about 236.4134104564.

Adding to 13213453 its reverse (35431231), we get a palindrome (48644684).

It can be divided in two parts, 1321 and 3453, that added together give a palindrome (4774).

The spelling of 13213453 in words is "thirteen million, two hundred thirteen thousand, four hundred fifty-three".