1396811 has 8 divisors (see below), whose sum is σ = 1517040. Its totient is φ = 1278432.

The previous prime is 1396789. The next prime is 1396817. The reversal of 1396811 is 1186931.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1396811 - 2¹⁴ = 1380427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1396817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1421 + ... + 2193.

It is an arithmetic number, because the mean of its divisors is an integer number (189630).

2^1396811 is an apocalyptic number.

1396811 is a deficient number, since it is larger than the sum of its proper divisors (120229).

1396811 is a wasteful number, since it uses less digits than its factorization.

1396811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925.

The product of its digits is 1296, while the sum is 29.

The square root of 1396811 is about 1181.8675898763. The cubic root of 1396811 is about 111.7838891791.

It can be divided in two parts, 139 and 6811, that multiplied together give a square (946729 = 973²).

The spelling of 1396811 in words is "one million, three hundred ninety-six thousand, eight hundred eleven".