13126013 has 4 divisors (see below), whose sum is σ = 13157760. Its totient is φ = 13094268.

The previous prime is 13126007. The next prime is 13126021. The reversal of 13126013 is 31062131.

13126013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31062131 = 19 ⋅1634849.

It is a cyclic number.

It is not a de Polignac number, because 13126013 - 2⁴ = 13125997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13125982 and 13126000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13126063) 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, 15245 + ... + 16082.

It is an arithmetic number, because the mean of its divisors is an integer number (3289440).

Almost surely, 2^13126013 is an apocalyptic number.

It is an amenable number.

13126013 is a deficient number, since it is larger than the sum of its proper divisors (31747).

13126013 is an equidigital number, since it uses as much as digits as its factorization.

13126013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31746.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 13126013 is about 3622.9839911322. The cubic root of 13126013 is about 235.8907674616.

Adding to 13126013 its reverse (31062131), we get a palindrome (44188144).

The spelling of 13126013 in words is "thirteen million, one hundred twenty-six thousand, thirteen".