1396705 has 8 divisors (see below), whose sum is σ = 1730304. Its totient is φ = 1081200.

The previous prime is 1396697. The next prime is 1396711. The reversal of 1396705 is 5076931.

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

It is not a de Polignac number, because 1396705 - 2³ = 1396697 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4351 + ... + 4660.

It is an arithmetic number, because the mean of its divisors is an integer number (216288).

2^1396705 is an apocalyptic number.

It is an amenable number.

1396705 is a deficient number, since it is larger than the sum of its proper divisors (333599).

1396705 is an equidigital number, since it uses as much as digits as its factorization.

1396705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9047.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 1396705 is about 1181.8227447464. The cubic root of 1396705 is about 111.7810614541.

The spelling of 1396705 in words is "one million, three hundred ninety-six thousand, seven hundred five".