13245713 has 8 divisors (see below), whose sum is σ = 14351400. Its totient is φ = 12224784.

The previous prime is 13245709. The next prime is 13245731. The reversal of 13245713 is 31754231.

It can be written as a sum of positive squares in 4 ways, for example, as 1329409 + 11916304 = 1153^2 + 3452^2 .

It is not a de Polignac number, because 13245713 - 2² = 13245709 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13245013) 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, 818 + ... + 5211.

It is an arithmetic number, because the mean of its divisors is an integer number (1793925).

Almost surely, 2^13245713 is an apocalyptic number.

13245713 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13245713 is a deficient number, since it is larger than the sum of its proper divisors (1105687).

13245713 is an frugal number, since it uses more digits than its factorization.

13245713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6068 (or 6042 counting only the distinct ones).

The product of its digits is 2520, while the sum is 26.

The square root of 13245713 is about 3639.4660322635. The cubic root of 13245713 is about 236.6056513564.

Adding to 13245713 its reverse (31754231), we get a palindrome (44999944).

The spelling of 13245713 in words is "thirteen million, two hundred forty-five thousand, seven hundred thirteen".