1306628112 has 40 divisors (see below), whose sum is σ = 3408888960. Its totient is φ = 431228800.

The previous prime is 1306628111. The next prime is 1306628129. The reversal of 1306628112 is 2118266031.

It is a self number, because there is not a number n which added to its sum of digits gives 1306628112.

It is not an unprimeable number, because it can be changed into a prime (1306628111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129912 + ... + 139607.

It is an arithmetic number, because the mean of its divisors is an integer number (85222224).

Almost surely, 2^1306628112 is an apocalyptic number.

1306628112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1306628112 is an abundant number, since it is smaller than the sum of its proper divisors (2102260848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1306628112 is a wasteful number, since it uses less digits than its factorization.

1306628112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269631 (or 269625 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1306628112 is about 36147.3112693047. The cubic root of 1306628112 is about 1093.2445791857.

The spelling of 1306628112 in words is "one billion, three hundred six million, six hundred twenty-eight thousand, one hundred twelve".