12827505 has 16 divisors (see below), whose sum is σ = 20729664. Its totient is φ = 6772800.

The previous prime is 12827501. The next prime is 12827509. The reversal of 12827505 is 50572821.

It is an interprime number because it is at equal distance from previous prime (12827501) and next prime (12827509).

It is not a de Polignac number, because 12827505 - 2² = 12827501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12827501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2719 + ... + 5748.

It is an arithmetic number, because the mean of its divisors is an integer number (1295604).

Almost surely, 2^12827505 is an apocalyptic number.

12827505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12827505 is a deficient number, since it is larger than the sum of its proper divisors (7902159).

12827505 is a wasteful number, since it uses less digits than its factorization.

12827505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8576.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 12827505 is about 3581.5506418310. The cubic root of 12827505 is about 234.0888514945.

The spelling of 12827505 in words is "twelve million, eight hundred twenty-seven thousand, five hundred five".