1296001260653 has 8 divisors (see below), whose sum is σ = 1413872592096. Its totient is φ = 1178138768400.

The previous prime is 1296001260611. The next prime is 1296001260713. The reversal of 1296001260653 is 3560621006921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1296001260653 - 2¹⁴ = 1296001244269 is a prime.

It is a super-2 number, since 2×1296001260653² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1296001260653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1296001260553) 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, 1901351 + ... + 2491412.

It is an arithmetic number, because the mean of its divisors is an integer number (176734074012).

Almost surely, 2^{1296001260653} is an apocalyptic number.

It is an amenable number.

1296001260653 is a deficient number, since it is larger than the sum of its proper divisors (117871331443).

1296001260653 is a wasteful number, since it uses less digits than its factorization.

1296001260653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4419595.

The product of its (nonzero) digits is 116640, while the sum is 41.

The spelling of 1296001260653 in words is "one trillion, two hundred ninety-six billion, one million, two hundred sixty thousand, six hundred fifty-three".