12679575 has 24 divisors (see below), whose sum is σ = 21071568. Its totient is φ = 6727680.

The previous prime is 12679573. The next prime is 12679633. The reversal of 12679575 is 57597621.

It is not a de Polignac number, because 12679575 - 2¹ = 12679573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12679571) 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 23 ways as a sum of consecutive naturals, for example, 21687 + ... + 22263.

It is an arithmetic number, because the mean of its divisors is an integer number (877982).

Almost surely, 2^12679575 is an apocalyptic number.

12679575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12679575 is a deficient number, since it is larger than the sum of its proper divisors (8391993).

12679575 is a wasteful number, since it uses less digits than its factorization.

12679575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883 (or 878 counting only the distinct ones).

The product of its digits is 132300, while the sum is 42.

The square root of 12679575 is about 3560.8390865076. The cubic root of 12679575 is about 233.1855129492.

The spelling of 12679575 in words is "twelve million, six hundred seventy-nine thousand, five hundred seventy-five".