1306247060 has 24 divisors (see below), whose sum is σ = 2743997256. Its totient is φ = 522331520.

The previous prime is 1306247051. The next prime is 1306247069. The reversal of 1306247060 is 607426031.

It is an interprime number because it is at equal distance from previous prime (1306247051) and next prime (1306247069).

It can be written as a sum of positive squares in 4 ways, for example, as 388641796 + 917605264 = 19714^2 + 30292^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306247069) 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, 67874 + ... + 84966.

It is an arithmetic number, because the mean of its divisors is an integer number (114333219).

Almost surely, 2^1306247060 is an apocalyptic number.

1306247060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1306247060 is an abundant number, since it is smaller than the sum of its proper divisors (1437750196).

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

1306247060 is a wasteful number, since it uses less digits than its factorization.

1306247060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20923 (or 20921 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 1306247060 is about 36142.0400641690. The cubic root of 1306247060 is about 1093.1382945354.

The spelling of 1306247060 in words is "one billion, three hundred six million, two hundred forty-seven thousand, sixty".