13107523 has 16 divisors (see below), whose sum is σ = 15628032. Its totient is φ = 10836000.

The previous prime is 13107517. The next prime is 13107541. The reversal of 13107523 is 32570131.

It is a cyclic number.

It is not a de Polignac number, because 13107523 - 2⁹ = 13107011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13107494 and 13107503.

It is not an unprimeable number, because it can be changed into a prime (13107503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9508 + ... + 10798.

It is an arithmetic number, because the mean of its divisors is an integer number (976752).

Almost surely, 2^13107523 is an apocalyptic number.

13107523 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13107523 is a deficient number, since it is larger than the sum of its proper divisors (2520509).

13107523 is a wasteful number, since it uses less digits than its factorization.

13107523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 13107523 is about 3620.4313278945. The cubic root of 13107523 is about 235.7799526519.

Adding to 13107523 its reverse (32570131), we get a palindrome (45677654).

The spelling of 13107523 in words is "thirteen million, one hundred seven thousand, five hundred twenty-three".