1345299812 has 12 divisors (see below), whose sum is σ = 2355041136. Its totient is φ = 672430920.

The previous prime is 1345299803. The next prime is 1345299817. The reversal of 1345299812 is 2189925431.

It is not an unprimeable number, because it can be changed into a prime (1345299817) 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, 40514 + ... + 65817.

It is an arithmetic number, because the mean of its divisors is an integer number (196253428).

Almost surely, 2^1345299812 is an apocalyptic number.

It is an amenable number.

1345299812 is a deficient number, since it is larger than the sum of its proper divisors (1009741324).

1345299812 is a wasteful number, since it uses less digits than its factorization.

1345299812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109498 (or 109496 counting only the distinct ones).

The product of its digits is 155520, while the sum is 44.

The square root of 1345299812 is about 36678.3289150419. The cubic root of 1345299812 is about 1103.9253181033.

The spelling of 1345299812 in words is "one billion, three hundred forty-five million, two hundred ninety-nine thousand, eight hundred twelve".