12897090927504 has 225 divisors, whose sum is σ = 43425324828171. Its totient is φ = 3684624552000.

The previous prime is 12897090927491. The next prime is 12897090927521. The reversal of 12897090927504 is 40572909079821.

The square root of 12897090927504 is 3591252.

It is a perfect power (a square), and thus also a powerful number.

12897090927504 is a `hidden beast` number, since 12 + 8 + 9 + 7 + 0 + 90 + 9 + 27 + 504 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 904988379 + ... + 905002629.

Almost surely, 2^{12897090927504} is an apocalyptic number.

12897090927504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12897090927504 is the 3591252-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12897090927504

12897090927504 is an abundant number, since it is smaller than the sum of its proper divisors (30528233900667).

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

12897090927504 is an frugal number, since it uses more digits than its factorization.

12897090927504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28536 (or 14263 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 63.

The spelling of 12897090927504 in words is "twelve trillion, eight hundred ninety-seven billion, ninety million, nine hundred twenty-seven thousand, five hundred four".