1308803056 has 40 divisors (see below), whose sum is σ = 2778822144. Its totient is φ = 592224960.

The previous prime is 1308803047. The next prime is 1308803113. The reversal of 1308803056 is 6503088031.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22575 + ... + 55921.

Almost surely, 2^1308803056 is an apocalyptic number.

1308803056 is a gapful number since it is divisible by the number (16) 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 1308803056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1389411072).

1308803056 is an abundant number, since it is smaller than the sum of its proper divisors (1470019088).

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

1308803056 is a wasteful number, since it uses less digits than its factorization.

1308803056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33589 (or 33583 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 1308803056 is about 36177.3832110616. The cubic root of 1308803056 is about 1093.8508286214.

The spelling of 1308803056 in words is "one billion, three hundred eight million, eight hundred three thousand, fifty-six".