13124017 has 4 divisors (see below), whose sum is σ = 13896036. Its totient is φ = 12352000.

The previous prime is 13123997. The next prime is 13124021. The reversal of 13124017 is 71042131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71042131 = 499 ⋅142369.

It can be written as a sum of positive squares in 2 ways, for example, as 8946081 + 4177936 = 2991^2 + 2044^2 .

It is a cyclic number.

It is not a de Polignac number, because 13124017 - 2¹⁵ = 13091249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13123985 and 13124003.

It is not an unprimeable number, because it can be changed into a prime (13124047) 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, 385984 + ... + 386017.

It is an arithmetic number, because the mean of its divisors is an integer number (3474009).

Almost surely, 2^13124017 is an apocalyptic number.

13124017 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13124017 is a deficient number, since it is larger than the sum of its proper divisors (772019).

13124017 is an equidigital number, since it uses as much as digits as its factorization.

13124017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772018.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 13124017 is about 3622.7085171181. The cubic root of 13124017 is about 235.8788099886.

Adding to 13124017 its reverse (71042131), we get a palindrome (84166148).

It can be divided in two parts, 1312 and 4017, that added together give a square (5329 = 73²).

The spelling of 13124017 in words is "thirteen million, one hundred twenty-four thousand, seventeen".