12013575 has 48 divisors (see below), whose sum is σ = 23212800. Its totient is φ = 5480160.

The previous prime is 12013571. The next prime is 12013579. The reversal of 12013575 is 57531021.

It is an interprime number because it is at equal distance from previous prime (12013571) and next prime (12013579).

It is not a de Polignac number, because 12013575 - 2² = 12013571 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25492 + ... + 25958.

It is an arithmetic number, because the mean of its divisors is an integer number (483600).

Almost surely, 2^12013575 is an apocalyptic number.

12013575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12013575 is a deficient number, since it is larger than the sum of its proper divisors (11199225).

12013575 is an equidigital number, since it uses as much as digits as its factorization.

With its successor (12013576) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (501).

12013575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 12013575 is about 3466.0604437892. The cubic root of 12013575 is about 229.0291465098.

Adding to 12013575 its reverse (57531021), we get a palindrome (69544596).

It can be divided in two parts, 120 and 13575, that added together give a triangular number (13695 = T₁₆₅).

The spelling of 12013575 in words is "twelve million, thirteen thousand, five hundred seventy-five".