1379927 has 4 divisors (see below), whose sum is σ = 1382616. Its totient is φ = 1377240.

The previous prime is 1379923. The next prime is 1379929. The reversal of 1379927 is 7299731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7299731 = 521 ⋅14011.

It is a cyclic number.

It is not a de Polignac number, because 1379927 - 2² = 1379923 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379923) 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, 308 + ... + 1689.

It is an arithmetic number, because the mean of its divisors is an integer number (345654).

2^1379927 is an apocalyptic number.

1379927 is a deficient number, since it is larger than the sum of its proper divisors (2689).

1379927 is an equidigital number, since it uses as much as digits as its factorization.

1379927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688.

The product of its digits is 23814, while the sum is 38.

The square root of 1379927 is about 1174.7029411728. The cubic root of 1379927 is about 111.3316649883.

The spelling of 1379927 in words is "one million, three hundred seventy-nine thousand, nine hundred twenty-seven".