12758953 has 4 divisors (see below), whose sum is σ = 12770128. Its totient is φ = 12747780.

The previous prime is 12758929. The next prime is 12758957. The reversal of 12758953 is 35985721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12758953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12758957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3651 + ... + 6232.

It is an arithmetic number, because the mean of its divisors is an integer number (3192532).

Almost surely, 2^12758953 is an apocalyptic number.

It is an amenable number.

12758953 is a deficient number, since it is larger than the sum of its proper divisors (11175).

12758953 is an equidigital number, since it uses as much as digits as its factorization.

12758953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11174.

The product of its digits is 75600, while the sum is 40.

The square root of 12758953 is about 3571.9676650272. The cubic root of 12758953 is about 233.6711051389.

The spelling of 12758953 in words is "twelve million, seven hundred fifty-eight thousand, nine hundred fifty-three".