1305264612 has 48 divisors (see below), whose sum is σ = 3099628224. Its totient is φ = 427440000.

The previous prime is 1305264593. The next prime is 1305264617. The reversal of 1305264612 is 2164625031.

It is a self number, because there is not a number n which added to its sum of digits gives 1305264612.

It is not an unprimeable number, because it can be changed into a prime (1305264617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154662 + ... + 162882.

It is an arithmetic number, because the mean of its divisors is an integer number (64575588).

Almost surely, 2^1305264612 is an apocalyptic number.

1305264612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1305264612 is an abundant number, since it is smaller than the sum of its proper divisors (1794363612).

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

1305264612 is a wasteful number, since it uses less digits than its factorization.

1305264612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8460 (or 8458 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1305264612 is about 36128.4460224904. The cubic root of 1305264612 is about 1092.8641705656.

Adding to 1305264612 its reverse (2164625031), we get a palindrome (3469889643).

The spelling of 1305264612 in words is "one billion, three hundred five million, two hundred sixty-four thousand, six hundred twelve".