1347047 has 4 divisors (see below), whose sum is σ = 1450680. Its totient is φ = 1243416.

The previous prime is 1347019. The next prime is 1347053. The reversal of 1347047 is 7407431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1347047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1347077) 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, 51797 + ... + 51822.

It is an arithmetic number, because the mean of its divisors is an integer number (362670).

2^1347047 is an apocalyptic number.

1347047 is a deficient number, since it is larger than the sum of its proper divisors (103633).

1347047 is a wasteful number, since it uses less digits than its factorization.

1347047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103632.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 1347047 is about 1160.6235393098. The cubic root of 1347047 is about 110.4403013526.

The spelling of 1347047 in words is "one million, three hundred forty-seven thousand, forty-seven".