12697848078 has 16 divisors (see below), whose sum is σ = 25589558016. Its totient is φ = 4200305720.

The previous prime is 12697848077. The next prime is 12697848089. The reversal of 12697848078 is 87084879621.

It is a super-2 number, since 2×12697848078² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12697848077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8076726 + ... + 8078297.

It is an arithmetic number, because the mean of its divisors is an integer number (1599347376).

Almost surely, 2^12697848078 is an apocalyptic number.

12697848078 is an abundant number, since it is smaller than the sum of its proper divisors (12891709938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12697848078 is a wasteful number, since it uses less digits than its factorization.

12697848078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16155159.

The product of its (nonzero) digits is 10838016, while the sum is 60.

The spelling of 12697848078 in words is "twelve billion, six hundred ninety-seven million, eight hundred forty-eight thousand, seventy-eight".