1260545013 has 24 divisors (see below), whose sum is σ = 2240970368. Its totient is φ = 664902432.

The previous prime is 1260545009. The next prime is 1260545023. The reversal of 1260545013 is 3105450621.

1260545013 is a `hidden beast` number, since 1 + 2 + 605 + 4 + 50 + 1 + 3 = 666.

1260545013 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1260545013 - 2² = 1260545009 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260545023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 768745 + ... + 770382.

Almost surely, 2^1260545013 is an apocalyptic number.

1260545013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1260545013 is a deficient number, since it is larger than the sum of its proper divisors (980425355).

1260545013 is a wasteful number, since it uses less digits than its factorization.

1260545013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539153 (or 1539150 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1260545013 is about 35504.1548695360. The cubic root of 1260545013 is about 1080.2380056731.

Adding to 1260545013 its reverse (3105450621), we get a palindrome (4365995634).

The spelling of 1260545013 in words is "one billion, two hundred sixty million, five hundred forty-five thousand, thirteen".