1346987 has 2 divisors, whose sum is σ = 1346988. Its totient is φ = 1346986.

The previous prime is 1346977. The next prime is 1346993. The reversal of 1346987 is 7896431.

It is a strong prime.

It is an emirp because it is prime and its reverse (7896431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1346987 - 2⁴ = 1346971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1346987.

It is not a weakly prime, because it can be changed into another prime (1346957) 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, 673493 + 673494.

It is an arithmetic number, because the mean of its divisors is an integer number (673494).

2^1346987 is an apocalyptic number.

1346987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1346987 is an equidigital number, since it uses as much as digits as its factorization.

1346987 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 1346987 is about 1160.5976908473. The cubic root of 1346987 is about 110.4386615888.

The spelling of 1346987 in words is "one million, three hundred forty-six thousand, nine hundred eighty-seven".