12726097 has 4 divisors (see below), whose sum is σ = 12733236. Its totient is φ = 12718960.

The previous prime is 12726083. The next prime is 12726127. The reversal of 12726097 is 79062721.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 79062721 = 1033 ⋅76537.

It can be written as a sum of positive squares in 2 ways, for example, as 6330256 + 6395841 = 2516^2 + 2529^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12726097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12726037) 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 3 ways as a sum of consecutive naturals, for example, 1623 + ... + 5299.

It is an arithmetic number, because the mean of its divisors is an integer number (3183309).

Almost surely, 2^12726097 is an apocalyptic number.

It is an amenable number.

12726097 is a deficient number, since it is larger than the sum of its proper divisors (7139).

12726097 is an equidigital number, since it uses as much as digits as its factorization.

12726097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7138.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 12726097 is about 3567.3655545795. The cubic root of 12726097 is about 233.4703546680.

The spelling of 12726097 in words is "twelve million, seven hundred twenty-six thousand, ninety-seven".