1230713280 has 168 divisors, whose sum is σ = 4276063584. Its totient is φ = 324864000.

The previous prime is 1230713257. The next prime is 1230713287. The reversal of 1230713280 is 823170321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230713287) 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 23 ways as a sum of consecutive naturals, for example, 288765 + ... + 292995.

Almost surely, 2^1230713280 is an apocalyptic number.

1230713280 is a gapful number since it is divisible by the number (10) 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 1230713280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2138031792).

1230713280 is an abundant number, since it is smaller than the sum of its proper divisors (3045350304).

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

1230713280 is a wasteful number, since it uses less digits than its factorization.

1230713280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4355 (or 4342 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1230713280 is about 35081.5233420671. The cubic root of 1230713280 is about 1071.6483401376.

The spelling of 1230713280 in words is "one billion, two hundred thirty million, seven hundred thirteen thousand, two hundred eighty".