1347919872 has 112 divisors (see below), whose sum is σ = 3871630560. Its totient is φ = 414646272.

The previous prime is 1347919849. The next prime is 1347919873. The reversal of 1347919872 is 2789197431.

It is not an unprimeable number, because it can be changed into a prime (1347919873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317379 + ... + 321597.

It is an arithmetic number, because the mean of its divisors is an integer number (34568130).

Almost surely, 2^1347919872 is an apocalyptic number.

1347919872 is a gapful number since it is divisible by the number (12) 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 1347919872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1935815280).

1347919872 is an abundant number, since it is smaller than the sum of its proper divisors (2523710688).

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

1347919872 is an equidigital number, since it uses as much as digits as its factorization.

1347919872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4261 (or 4237 counting only the distinct ones).

The product of its digits is 762048, while the sum is 51.

The square root of 1347919872 is about 36714.0282725827. The cubic root of 1347919872 is about 1104.6415091191.

The spelling of 1347919872 in words is "one billion, three hundred forty-seven million, nine hundred nineteen thousand, eight hundred seventy-two".