1306297476 has 192 divisors, whose sum is σ = 3971358720. Its totient is φ = 366912000.

The previous prime is 1306297471. The next prime is 1306297477. The reversal of 1306297476 is 6747926031.

1306297476 is a `hidden beast` number, since 1 + 30 + 62 + 97 + 476 = 666.

It is not an unprimeable number, because it can be changed into a prime (1306297471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1433461 + ... + 1434371.

It is an arithmetic number, because the mean of its divisors is an integer number (20684160).

Almost surely, 2^1306297476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1306297476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1985679360).

1306297476 is an abundant number, since it is smaller than the sum of its proper divisors (2665061244).

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

1306297476 is a wasteful number, since it uses less digits than its factorization.

1306297476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023 (or 1015 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 1306297476 is about 36142.7375277524. The cubic root of 1306297476 is about 1093.1523579677.

The spelling of 1306297476 in words is "one billion, three hundred six million, two hundred ninety-seven thousand, four hundred seventy-six".