12752105 has 8 divisors (see below), whose sum is σ = 15460872. Its totient is φ = 10096128.

The previous prime is 12752071. The next prime is 12752137. The reversal of 12752105 is 50125721.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4618201 + 8133904 = 2149^2 + 2852^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12752105 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12662 + ... + 13631.

It is an arithmetic number, because the mean of its divisors is an integer number (1932609).

Almost surely, 2^12752105 is an apocalyptic number.

It is an amenable number.

12752105 is a deficient number, since it is larger than the sum of its proper divisors (2708767).

12752105 is an equidigital number, since it uses as much as digits as its factorization.

12752105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26395.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 12752105 is about 3571.0089610641. The cubic root of 12752105 is about 233.6292922488.

Adding to 12752105 its reverse (50125721), we get a palindrome (62877826).

The spelling of 12752105 in words is "twelve million, seven hundred fifty-two thousand, one hundred five".