1306272684 has 24 divisors (see below), whose sum is σ = 3063932928. Its totient is φ = 433143760.

The previous prime is 1306272683. The next prime is 1306272691. The reversal of 1306272684 is 4862726031.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1306272683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282672 + ... + 287255.

It is an arithmetic number, because the mean of its divisors is an integer number (127663872).

Almost surely, 2^1306272684 is an apocalyptic number.

It is an amenable number.

1306272684 is an abundant number, since it is smaller than the sum of its proper divisors (1757660244).

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

1306272684 is a wasteful number, since it uses less digits than its factorization.

1306272684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570125 (or 570123 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 1306272684 is about 36142.3945526580. The cubic root of 1306272684 is about 1093.1454423390.

The spelling of 1306272684 in words is "one billion, three hundred six million, two hundred seventy-two thousand, six hundred eighty-four".