13100530 has 8 divisors (see below), whose sum is σ = 23580972. Its totient is φ = 5240208.

The previous prime is 13100513. The next prime is 13100531. The reversal of 13100530 is 3500131.

It can be written as a sum of positive squares in 2 ways, for example, as 11148921 + 1951609 = 3339^2 + 1397^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13100530.

It is not an unprimeable number, because it can be changed into a prime (13100531) 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, 655017 + ... + 655036.

Almost surely, 2^13100530 is an apocalyptic number.

13100530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13100530 is a deficient number, since it is larger than the sum of its proper divisors (10480442).

13100530 is a wasteful number, since it uses less digits than its factorization.

13100530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310060.

The product of its (nonzero) digits is 45, while the sum is 13.

The square root of 13100530 is about 3619.4654301430. The cubic root of 13100530 is about 235.7380148397.

Adding to 13100530 its reverse (3500131), we get a palindrome (16600661).

The spelling of 13100530 in words is "thirteen million, one hundred thousand, five hundred thirty".