12280897 has 8 divisors (see below), whose sum is σ = 12974400. Its totient is φ = 11592144.

The previous prime is 12280883. The next prime is 12280901. The reversal of 12280897 is 79808221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12280897 - 2⁷ = 12280769 is a prime.

It is a super-2 number, since 2×12280897² = 301640862249218, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (12280837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5004 + ... + 7042.

It is an arithmetic number, because the mean of its divisors is an integer number (1621800).

Almost surely, 2^12280897 is an apocalyptic number.

It is an amenable number.

12280897 is a deficient number, since it is larger than the sum of its proper divisors (693503).

12280897 is a wasteful number, since it uses less digits than its factorization.

12280897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2375.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 12280897 is about 3504.4110774851. The cubic root of 12280897 is about 230.7154595772.

The spelling of 12280897 in words is "twelve million, two hundred eighty thousand, eight hundred ninety-seven".