1306115612 has 12 divisors (see below), whose sum is σ = 2289261576. Its totient is φ = 652040880.

The previous prime is 1306115579. The next prime is 1306115617. The reversal of 1306115612 is 2165116031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306115617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251339 + ... + 256482.

It is an arithmetic number, because the mean of its divisors is an integer number (190771798).

Almost surely, 2^1306115612 is an apocalyptic number.

It is an amenable number.

1306115612 is a deficient number, since it is larger than the sum of its proper divisors (983145964).

1306115612 is a wasteful number, since it uses less digits than its factorization.

1306115612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508468 (or 508466 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1306115612 is about 36140.2215267145. The cubic root of 1306115612 is about 1093.1016257032.

The spelling of 1306115612 in words is "one billion, three hundred six million, one hundred fifteen thousand, six hundred twelve".