12280995 has 12 divisors (see below), whose sum is σ = 21287136. Its totient is φ = 6549840.

The previous prime is 12280993. The next prime is 12280997. The reversal of 12280995 is 59908221.

It is an interprime number because it is at equal distance from previous prime (12280993) and next prime (12280997).

It is not a de Polignac number, because 12280995 - 2¹ = 12280993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12280993) 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 11 ways as a sum of consecutive naturals, for example, 136411 + ... + 136500.

It is an arithmetic number, because the mean of its divisors is an integer number (1773928).

Almost surely, 2^12280995 is an apocalyptic number.

12280995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12280995 is a deficient number, since it is larger than the sum of its proper divisors (9006141).

12280995 is a wasteful number, since it uses less digits than its factorization.

12280995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272922 (or 272919 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 12280995 is about 3504.4250598351. The cubic root of 12280995 is about 230.7160732690.

The spelling of 12280995 in words is "twelve million, two hundred eighty thousand, nine hundred ninety-five".