1379187 has 10 divisors (see below), whose sum is σ = 2060388. Its totient is φ = 919404.

The previous prime is 1379173. The next prime is 1379201. The reversal of 1379187 is 7819731.

It is an interprime number because it is at equal distance from previous prime (1379173) and next prime (1379201).

It is not a de Polignac number, because 1379187 - 2¹⁰ = 1378163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1379107) 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 9 ways as a sum of consecutive naturals, for example, 8433 + ... + 8594.

2^1379187 is an apocalyptic number.

1379187 is a deficient number, since it is larger than the sum of its proper divisors (681201).

1379187 is an equidigital number, since it uses as much as digits as its factorization.

1379187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17039 (or 17030 counting only the distinct ones).

The product of its digits is 10584, while the sum is 36.

The square root of 1379187 is about 1174.3879256872. The cubic root of 1379187 is about 111.3117605143.

The spelling of 1379187 in words is "one million, three hundred seventy-nine thousand, one hundred eighty-seven".