12580995 has 24 divisors (see below), whose sum is σ = 23417424. Its totient is φ = 5750976.

The previous prime is 12580993. The next prime is 12581027. The reversal of 12580995 is 59908521.

It is not a de Polignac number, because 12580995 - 2¹ = 12580993 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (12580993) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7824 + ... + 9293.

It is an arithmetic number, because the mean of its divisors is an integer number (975726).

Almost surely, 2^12580995 is an apocalyptic number.

12580995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12580995 is a deficient number, since it is larger than the sum of its proper divisors (10836429).

12580995 is a wasteful number, since it uses less digits than its factorization.

12580995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17139 (or 17132 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 39.

The square root of 12580995 is about 3546.9698335340. The cubic root of 12580995 is about 232.5796235551.

The spelling of 12580995 in words is "twelve million, five hundred eighty thousand, nine hundred ninety-five".