1345332612 has 72 divisors (see below), whose sum is σ = 3408894720. Its totient is φ = 412763520.

The previous prime is 1345332589. The next prime is 1345332643. The reversal of 1345332612 is 2162335431.

It is a self number, because there is not a number n which added to its sum of digits gives 1345332612.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 934189 + ... + 935627.

It is an arithmetic number, because the mean of its divisors is an integer number (47345760).

Almost surely, 2^1345332612 is an apocalyptic number.

1345332612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1345332612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1704447360).

1345332612 is an abundant number, since it is smaller than the sum of its proper divisors (2063562108).

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

1345332612 is a wasteful number, since it uses less digits than its factorization.

1345332612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933 (or 1918 counting only the distinct ones).

The product of its digits is 12960, while the sum is 30.

The square root of 1345332612 is about 36678.7760428289. The cubic root of 1345332612 is about 1103.9342896985.

The spelling of 1345332612 in words is "one billion, three hundred forty-five million, three hundred thirty-two thousand, six hundred twelve".