13037243 has 4 divisors (see below), whose sum is σ = 13047528. Its totient is φ = 13026960.

The previous prime is 13037237. The next prime is 13037273. The reversal of 13037243 is 34273031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13037243 - 2⁶ = 13037179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13037203) 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, 2921 + ... + 5882.

It is an arithmetic number, because the mean of its divisors is an integer number (3261882).

Almost surely, 2^13037243 is an apocalyptic number.

13037243 is a deficient number, since it is larger than the sum of its proper divisors (10285).

13037243 is an equidigital number, since it uses as much as digits as its factorization.

13037243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10284.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 13037243 is about 3610.7122566053. The cubic root of 13037243 is about 235.3577950927.

It can be divided in two parts, 130 and 37243, that added together give a palindrome (37373).

The spelling of 13037243 in words is "thirteen million, thirty-seven thousand, two hundred forty-three".