1347980 has 12 divisors (see below), whose sum is σ = 2830800. Its totient is φ = 539184.

The previous prime is 1347971. The next prime is 1347989. The reversal of 1347980 is 897431.

It is an interprime number because it is at equal distance from previous prime (1347971) and next prime (1347989).

It is not an unprimeable number, because it can be changed into a prime (1347989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33680 + ... + 33719.

It is an arithmetic number, because the mean of its divisors is an integer number (235900).

2^1347980 is an apocalyptic number.

1347980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1347980 is an abundant number, since it is smaller than the sum of its proper divisors (1482820).

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

1347980 is a wasteful number, since it uses less digits than its factorization.

1347980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67408 (or 67406 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 1347980 is about 1161.0254088520. The cubic root of 1347980 is about 110.4657934155.

The spelling of 1347980 in words is "one million, three hundred forty-seven thousand, nine hundred eighty".