1396607 has 2 divisors, whose sum is σ = 1396608. Its totient is φ = 1396606.

The previous prime is 1396579. The next prime is 1396613. The reversal of 1396607 is 7066931.

It is a strong prime.

It is an emirp because it is prime and its reverse (7066931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1396607 - 2²⁰ = 348031 is a prime.

It is a super-2 number, since 2×1396607² = 3901022224898, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1396627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 698303 + 698304.

It is an arithmetic number, because the mean of its divisors is an integer number (698304).

2^1396607 is an apocalyptic number.

1396607 is a deficient number, since it is larger than the sum of its proper divisors (1).

1396607 is an equidigital number, since it uses as much as digits as its factorization.

1396607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 1396607 is about 1181.7812826407. The cubic root of 1396607 is about 111.7784470151.

The spelling of 1396607 in words is "one million, three hundred ninety-six thousand, six hundred seven".