13240453 has 2 divisors, whose sum is σ = 13240454. Its totient is φ = 13240452.

The previous prime is 13240421. The next prime is 13240457. The reversal of 13240453 is 35404231.

13240453 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12945604 + 294849 = 3598^2 + 543^2 .

It is a cyclic number.

It is not a de Polignac number, because 13240453 - 2⁵ = 13240421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13240457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6620226 + 6620227.

It is an arithmetic number, because the mean of its divisors is an integer number (6620227).

Almost surely, 2^13240453 is an apocalyptic number.

It is an amenable number.

13240453 is a deficient number, since it is larger than the sum of its proper divisors (1).

13240453 is an equidigital number, since it uses as much as digits as its factorization.

13240453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 13240453 is about 3638.7433270293. The cubic root of 13240453 is about 236.5743277499.

Adding to 13240453 its reverse (35404231), we get a palindrome (48644684).

The spelling of 13240453 in words is "thirteen million, two hundred forty thousand, four hundred fifty-three".