1379047 has 2 divisors, whose sum is σ = 1379048. Its totient is φ = 1379046.

The previous prime is 1379029. The next prime is 1379069. The reversal of 1379047 is 7409731.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1379047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1379017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689523 + 689524.

It is an arithmetic number, because the mean of its divisors is an integer number (689524).

2^1379047 is an apocalyptic number.

1379047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1379047 is an equidigital number, since it uses as much as digits as its factorization.

1379047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 1379047 is about 1174.3283186571. The cubic root of 1379047 is about 111.3079940022.

The spelling of 1379047 in words is "one million, three hundred seventy-nine thousand, forty-seven".