1396723 has 2 divisors, whose sum is σ = 1396724. Its totient is φ = 1396722.

The previous prime is 1396711. The next prime is 1396751. The reversal of 1396723 is 3276931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1396723 - 2⁵ = 1396691 is a prime.

It is not a weakly prime, because it can be changed into another prime (1396753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 698361 + 698362.

It is an arithmetic number, because the mean of its divisors is an integer number (698362).

2^1396723 is an apocalyptic number.

1396723 is a deficient number, since it is larger than the sum of its proper divisors (1).

1396723 is an equidigital number, since it uses as much as digits as its factorization.

1396723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 31.

The square root of 1396723 is about 1181.8303600771. The cubic root of 1396723 is about 111.7815416439.

The spelling of 1396723 in words is "one million, three hundred ninety-six thousand, seven hundred twenty-three".