13124013 has 24 divisors (see below), whose sum is σ = 20651328. Its totient is φ = 7390656.

The previous prime is 13123997. The next prime is 13124021. The reversal of 13124013 is 31042131.

It is not a de Polignac number, because 13124013 - 2⁴ = 13123997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13123983 and 13124001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13124213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10120 + ... + 11342.

It is an arithmetic number, because the mean of its divisors is an integer number (860472).

Almost surely, 2^13124013 is an apocalyptic number.

It is an amenable number.

13124013 is a deficient number, since it is larger than the sum of its proper divisors (7527315).

13124013 is a wasteful number, since it uses less digits than its factorization.

13124013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313 (or 1306 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 13124013 is about 3622.7079650449. The cubic root of 13124013 is about 235.8787860245.

Adding to 13124013 its reverse (31042131), we get a palindrome (44166144).

The spelling of 13124013 in words is "thirteen million, one hundred twenty-four thousand, thirteen".