1306260312 has 64 divisors (see below), whose sum is σ = 3737395200. Its totient is φ = 372695040.

The previous prime is 1306260271. The next prime is 1306260337. The reversal of 1306260312 is 2130626031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124137 + ... + 134247.

It is an arithmetic number, because the mean of its divisors is an integer number (58396800).

Almost surely, 2^1306260312 is an apocalyptic number.

1306260312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1306260312 is an abundant number, since it is smaller than the sum of its proper divisors (2431134888).

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

1306260312 is a wasteful number, since it uses less digits than its factorization.

1306260312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10896 (or 10892 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 1306260312 is about 36142.2233959119. The cubic root of 1306260312 is about 1093.1419911867.

Adding to 1306260312 its reverse (2130626031), we get a palindrome (3436886343).

The spelling of 1306260312 in words is "one billion, three hundred six million, two hundred sixty thousand, three hundred twelve".