1343887 has 2 divisors, whose sum is σ = 1343888. Its totient is φ = 1343886.

The previous prime is 1343873. The next prime is 1343893. The reversal of 1343887 is 7883431.

It is a strong prime.

It is an emirp because it is prime and its reverse (7883431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1343887 - 2⁷ = 1343759 is a prime.

1343887 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1343387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671943 + 671944.

It is an arithmetic number, because the mean of its divisors is an integer number (671944).

2^1343887 is an apocalyptic number.

1343887 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343887 is an equidigital number, since it uses as much as digits as its factorization.

1343887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 34.

The square root of 1343887 is about 1159.2614027906. The cubic root of 1343887 is about 110.3538741270.

The spelling of 1343887 in words is "one million, three hundred forty-three thousand, eight hundred eighty-seven".