1347986 has 8 divisors (see below), whose sum is σ = 2041200. Its totient is φ = 667588.

The previous prime is 1347971. The next prime is 1347989. The reversal of 1347986 is 6897431.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2936 + ... + 3363.

It is an arithmetic number, because the mean of its divisors is an integer number (255150).

2^1347986 is an apocalyptic number.

1347986 is a deficient number, since it is larger than the sum of its proper divisors (693214).

1347986 is a wasteful number, since it uses less digits than its factorization.

1347986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6408.

The product of its digits is 36288, while the sum is 38.

The square root of 1347986 is about 1161.0279927719. The cubic root of 1347986 is about 110.4659573135.

The spelling of 1347986 in words is "one million, three hundred forty-seven thousand, nine hundred eighty-six".