1396487 has 2 divisors, whose sum is σ = 1396488. Its totient is φ = 1396486.

The previous prime is 1396469. The next prime is 1396513. The reversal of 1396487 is 7846931.

1396487 is nontrivially palindromic in base 9.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1396487 - 2¹⁰ = 1395463 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1396487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1396427) 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 as a sum of consecutive naturals, namely, 698243 + 698244.

It is an arithmetic number, because the mean of its divisors is an integer number (698244).

2^1396487 is an apocalyptic number.

1396487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1396487 is an equidigital number, since it uses as much as digits as its factorization.

1396487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 38.

The square root of 1396487 is about 1181.7305107342. The cubic root of 1396487 is about 111.7752454946.

The spelling of 1396487 in words is "one million, three hundred ninety-six thousand, four hundred eighty-seven".