12453535 has 4 divisors (see below), whose sum is σ = 14944248. Its totient is φ = 9962824.

The previous prime is 12453533. The next prime is 12453541. The reversal of 12453535 is 53535421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12453535 - 2¹ = 12453533 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 (12453533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1245349 + ... + 1245358.

It is an arithmetic number, because the mean of its divisors is an integer number (3736062).

Almost surely, 2^12453535 is an apocalyptic number.

12453535 is a deficient number, since it is larger than the sum of its proper divisors (2490713).

12453535 is an equidigital number, since it uses as much as digits as its factorization.

12453535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2490712.

The product of its digits is 9000, while the sum is 28.

The square root of 12453535 is about 3528.9566446756. The cubic root of 12453535 is about 231.7915227344.

Adding to 12453535 its reverse (53535421), we get a palindrome (65988956).

The spelling of 12453535 in words is "twelve million, four hundred fifty-three thousand, five hundred thirty-five".