1369087 has 4 divisors (see below), whose sum is σ = 1384560. Its totient is φ = 1353616.

The previous prime is 1369057. The next prime is 1369097. The reversal of 1369087 is 7809631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7809631 = 1531 ⋅5101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1369087 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1369057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7603 + ... + 7780.

It is an arithmetic number, because the mean of its divisors is an integer number (346140).

2^1369087 is an apocalyptic number.

1369087 is a deficient number, since it is larger than the sum of its proper divisors (15473).

1369087 is an equidigital number, since it uses as much as digits as its factorization.

1369087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15472.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1369087 is about 1170.0799118009. The cubic root of 1369087 is about 111.0393767717.

The spelling of 1369087 in words is "one million, three hundred sixty-nine thousand, eighty-seven".