1379515 has 8 divisors (see below), whose sum is σ = 1682928. Its totient is φ = 1085280.

The previous prime is 1379513. The next prime is 1379519. The reversal of 1379515 is 5159731.

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

It is not a de Polignac number, because 1379515 - 2¹ = 1379513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1379513) 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 7 ways as a sum of consecutive naturals, for example, 1957 + ... + 2566.

It is an arithmetic number, because the mean of its divisors is an integer number (210366).

2^1379515 is an apocalyptic number.

1379515 is a deficient number, since it is larger than the sum of its proper divisors (303413).

1379515 is an equidigital number, since it uses as much as digits as its factorization.

1379515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4589.

The product of its digits is 4725, while the sum is 31.

The square root of 1379515 is about 1174.5275645978. The cubic root of 1379515 is about 111.3205839162.

The spelling of 1379515 in words is "one million, three hundred seventy-nine thousand, five hundred fifteen".