1331379 has 18 divisors (see below), whose sum is σ = 2237820. Its totient is φ = 760536.

The previous prime is 1331377. The next prime is 1331381. The reversal of 1331379 is 9731331.

It is an interprime number because it is at equal distance from previous prime (1331377) and next prime (1331381).

It is not a de Polignac number, because 1331379 - 2¹ = 1331377 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1331377) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1069 + ... + 1950.

2^1331379 is an apocalyptic number.

1331379 is a deficient number, since it is larger than the sum of its proper divisors (906441).

1331379 is a wasteful number, since it uses less digits than its factorization.

1331379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3039 (or 3029 counting only the distinct ones).

The product of its digits is 1701, while the sum is 27.

The square root of 1331379 is about 1153.8539768966. The cubic root of 1331379 is about 110.0104397805.

The spelling of 1331379 in words is "one million, three hundred thirty-one thousand, three hundred seventy-nine".