1369387 has 4 divisors (see below), whose sum is σ = 1441480. Its totient is φ = 1297296.

The previous prime is 1369373. The next prime is 1369391. The reversal of 1369387 is 7839631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1369387 - 2¹¹ = 1367339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1369337) 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 in 3 ways as a sum of consecutive naturals, for example, 36018 + ... + 36055.

It is an arithmetic number, because the mean of its divisors is an integer number (360370).

2^1369387 is an apocalyptic number.

1369387 is a deficient number, since it is larger than the sum of its proper divisors (72093).

1369387 is an equidigital number, since it uses as much as digits as its factorization.

1369387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72092.

The product of its digits is 27216, while the sum is 37.

The square root of 1369387 is about 1170.2081011512. The cubic root of 1369387 is about 111.0474866484.

The spelling of 1369387 in words is "one million, three hundred sixty-nine thousand, three hundred eighty-seven".