1347993 has 12 divisors (see below), whose sum is σ = 2049840. Its totient is φ = 851256.

The previous prime is 1347989. The next prime is 1348001. The reversal of 1347993 is 3997431.

It is not a de Polignac number, because 1347993 - 2² = 1347989 is a prime.

1347993 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1347953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3771 + ... + 4112.

It is an arithmetic number, because the mean of its divisors is an integer number (170820).

2^1347993 is an apocalyptic number.

It is an amenable number.

1347993 is a deficient number, since it is larger than the sum of its proper divisors (701847).

1347993 is a wasteful number, since it uses less digits than its factorization.

1347993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7908 (or 7905 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 1347993 is about 1161.0310073379. The cubic root of 1347993 is about 110.4661485273.

The spelling of 1347993 in words is "one million, three hundred forty-seven thousand, nine hundred ninety-three".