1260563513 has 8 divisors (see below), whose sum is σ = 1375418016. Its totient is φ = 1145752000.

The previous prime is 1260563483. The next prime is 1260563581. The reversal of 1260563513 is 3153650621.

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 1260563513 - 2⁸ = 1260563257 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 1260563513.

It is not an unprimeable number, because it can be changed into a prime (1260563593) 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, 102545 + ... + 114177.

It is an arithmetic number, because the mean of its divisors is an integer number (171927252).

Almost surely, 2^1260563513 is an apocalyptic number.

It is an amenable number.

1260563513 is a deficient number, since it is larger than the sum of its proper divisors (114854503).

1260563513 is a wasteful number, since it uses less digits than its factorization.

1260563513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21495.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 1260563513 is about 35504.4154014680. The cubic root of 1260563513 is about 1080.2432902405.

The spelling of 1260563513 in words is "one billion, two hundred sixty million, five hundred sixty-three thousand, five hundred thirteen".