1342747 has 12 divisors (see below), whose sum is σ = 1589160. Its totient is φ = 1130976.

The previous prime is 1342741. The next prime is 1342751. The reversal of 1342747 is 7472431.

It is not a de Polignac number, because 1342747 - 2³ = 1342739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1342741) 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, 3079 + ... + 3487.

It is an arithmetic number, because the mean of its divisors is an integer number (132430).

2^1342747 is an apocalyptic number.

1342747 is a deficient number, since it is larger than the sum of its proper divisors (246413).

1342747 is an equidigital number, since it uses as much as digits as its factorization.

1342747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 483 counting only the distinct ones).

The product of its digits is 4704, while the sum is 28.

The square root of 1342747 is about 1158.7696060909. The cubic root of 1342747 is about 110.3226614318.

The spelling of 1342747 in words is "one million, three hundred forty-two thousand, seven hundred forty-seven".