1306347504 has 160 divisors (see below), whose sum is σ = 4221634560. Its totient is φ = 338169600.

The previous prime is 1306347431. The next prime is 1306347547. The reversal of 1306347504 is 4057436031.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2110107 + ... + 2110725.

It is an arithmetic number, because the mean of its divisors is an integer number (26385216).

Almost surely, 2^1306347504 is an apocalyptic number.

1306347504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1306347504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2110817280).

1306347504 is an abundant number, since it is smaller than the sum of its proper divisors (2915287056).

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

1306347504 is a wasteful number, since it uses less digits than its factorization.

1306347504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219 (or 1213 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 1306347504 is about 36143.4296103732. The cubic root of 1306347504 is about 1093.1663128105.

The spelling of 1306347504 in words is "one billion, three hundred six million, three hundred forty-seven thousand, five hundred four".