1288564013 has 8 divisors (see below), whose sum is σ = 1405978560. Its totient is φ = 1171194880.

The previous prime is 1288564007. The next prime is 1288564091. The reversal of 1288564013 is 3104658821.

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 1288564013 - 2²⁴ = 1271786797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1288564003) 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, 79928 + ... + 94686.

It is an arithmetic number, because the mean of its divisors is an integer number (175747320).

Almost surely, 2^1288564013 is an apocalyptic number.

It is an amenable number.

1288564013 is a deficient number, since it is larger than the sum of its proper divisors (117414547).

1288564013 is a wasteful number, since it uses less digits than its factorization.

1288564013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22707.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 1288564013 is about 35896.5738337240. The cubic root of 1288564013 is about 1088.1831565774.

The spelling of 1288564013 in words is "one billion, two hundred eighty-eight million, five hundred sixty-four thousand, thirteen".