1309379 has 8 divisors (see below), whose sum is σ = 1367760. Its totient is φ = 1251936.

The previous prime is 1309369. The next prime is 1309397. The reversal of 1309379 is 9739031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1309379 - 2⁸ = 1309123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1309339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4589 + ... + 4865.

It is an arithmetic number, because the mean of its divisors is an integer number (170970).

2^1309379 is an apocalyptic number.

1309379 is a deficient number, since it is larger than the sum of its proper divisors (58381).

1309379 is a wasteful number, since it uses less digits than its factorization.

1309379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469.

The product of its (nonzero) digits is 5103, while the sum is 32.

The square root of 1309379 is about 1144.2809969584. The cubic root of 1309379 is about 109.4011256230.

The spelling of 1309379 in words is "one million, three hundred nine thousand, three hundred seventy-nine".