1349887 has 16 divisors (see below), whose sum is σ = 1723392. Its totient is φ = 1026720.

The previous prime is 1349867. The next prime is 1349891. The reversal of 1349887 is 7889431.

It is a cyclic number.

It is not a de Polignac number, because 1349887 - 2¹⁵ = 1317119 is a prime.

1349887 is a lucky number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1349807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3433 + ... + 3805.

It is an arithmetic number, because the mean of its divisors is an integer number (107712).

2^1349887 is an apocalyptic number.

1349887 is a deficient number, since it is larger than the sum of its proper divisors (373505).

1349887 is a wasteful number, since it uses less digits than its factorization.

1349887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438.

The product of its digits is 48384, while the sum is 40.

The square root of 1349887 is about 1161.8463753870. The cubic root of 1349887 is about 110.5178612024.

The spelling of 1349887 in words is "one million, three hundred forty-nine thousand, eight hundred eighty-seven".