1396577 has 16 divisors (see below), whose sum is σ = 1747200. Its totient is φ = 1086912.

The previous prime is 1396561. The next prime is 1396579. The reversal of 1396577 is 7756931.

It is a cyclic number.

It is not a de Polignac number, because 1396577 - 2⁴ = 1396561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1396577.

It is not an unprimeable number, because it can be changed into a prime (1396579) 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 in 15 ways as a sum of consecutive naturals, for example, 9299 + ... + 9447.

It is an arithmetic number, because the mean of its divisors is an integer number (109200).

2^1396577 is an apocalyptic number.

It is an amenable number.

1396577 is a deficient number, since it is larger than the sum of its proper divisors (350623).

1396577 is a wasteful number, since it uses less digits than its factorization.

1396577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272.

The product of its digits is 39690, while the sum is 38.

The square root of 1396577 is about 1181.7685898686. The cubic root of 1396577 is about 111.7776466521. Note that the first 3 decimals are identical.

The spelling of 1396577 in words is "one million, three hundred ninety-six thousand, five hundred seventy-seven".