1347398880 has 288 divisors, whose sum is σ = 4612349952. Its totient is φ = 329978880.

The previous prime is 1347398809. The next prime is 1347398881. The reversal of 1347398880 is 888937431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1347398881) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10609377 + ... + 10609503.

It is an arithmetic number, because the mean of its divisors is an integer number (16015104).

Almost surely, 2^1347398880 is an apocalyptic number.

1347398880 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 1347398880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2306174976).

1347398880 is an abundant number, since it is smaller than the sum of its proper divisors (3264951072).

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

1347398880 is a wasteful number, since it uses less digits than its factorization.

1347398880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 51.

The square root of 1347398880 is about 36706.9323152998. The cubic root of 1347398880 is about 1104.4991704028.

The spelling of 1347398880 in words is "one billion, three hundred forty-seven million, three hundred ninety-eight thousand, eight hundred eighty".