12897452651 has 8 divisors (see below), whose sum is σ = 13037650608. Its totient is φ = 12757500000.

The previous prime is 12897452597. The next prime is 12897452669. The reversal of 12897452651 is 15625479821.

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 12897452651 - 2¹⁴ = 12897436267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12897452651.

It is not an unprimeable number, because it can be changed into a prime (12897455651) 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, 45401 + ... + 166901.

It is an arithmetic number, because the mean of its divisors is an integer number (1629706326).

Almost surely, 2^12897452651 is an apocalyptic number.

12897452651 is a deficient number, since it is larger than the sum of its proper divisors (140197957).

12897452651 is a wasteful number, since it uses less digits than its factorization.

12897452651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122653.

The product of its digits is 1209600, while the sum is 50.

The spelling of 12897452651 in words is "twelve billion, eight hundred ninety-seven million, four hundred fifty-two thousand, six hundred fifty-one".