12728246097 has 32 divisors (see below), whose sum is σ = 19595520000. Its totient is φ = 7198380288.

The previous prime is 12728246093. The next prime is 12728246101. The reversal of 12728246097 is 79064282721.

It is an interprime number because it is at equal distance from previous prime (12728246093) and next prime (12728246101).

It is not a de Polignac number, because 12728246097 - 2² = 12728246093 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12728246093) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3141529 + ... + 3145577.

It is an arithmetic number, because the mean of its divisors is an integer number (612360000).

Almost surely, 2^12728246097 is an apocalyptic number.

It is an amenable number.

12728246097 is a deficient number, since it is larger than the sum of its proper divisors (6867273903).

12728246097 is a wasteful number, since it uses less digits than its factorization.

12728246097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5565.

The product of its (nonzero) digits is 677376, while the sum is 48.

The spelling of 12728246097 in words is "twelve billion, seven hundred twenty-eight million, two hundred forty-six thousand, ninety-seven".