13245743 has 4 divisors (see below), whose sum is σ = 15138000. Its totient is φ = 11353488.

The previous prime is 13245731. The next prime is 13245809. The reversal of 13245743 is 34754231.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13245743 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 (13245643) 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 3 ways as a sum of consecutive naturals, for example, 946118 + ... + 946131.

It is an arithmetic number, because the mean of its divisors is an integer number (3784500).

Almost surely, 2^13245743 is an apocalyptic number.

13245743 is a deficient number, since it is larger than the sum of its proper divisors (1892257).

13245743 is an equidigital number, since it uses as much as digits as its factorization.

13245743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1892256.

The product of its digits is 10080, while the sum is 29.

The square root of 13245743 is about 3639.4701537449. The cubic root of 13245743 is about 236.6058299843.

Adding to 13245743 its reverse (34754231), we get a palindrome (47999974).

The spelling of 13245743 in words is "thirteen million, two hundred forty-five thousand, seven hundred forty-three".