1379599 has 4 divisors (see below), whose sum is σ = 1485736. Its totient is φ = 1273464.

The previous prime is 1379579. The next prime is 1379603. The reversal of 1379599 is 9959731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1379599 - 2¹⁵ = 1346831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53049 + ... + 53074.

It is an arithmetic number, because the mean of its divisors is an integer number (371434).

2^1379599 is an apocalyptic number.

1379599 is a deficient number, since it is larger than the sum of its proper divisors (106137).

1379599 is a wasteful number, since it uses less digits than its factorization.

1379599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106136.

The product of its digits is 76545, while the sum is 43.

The square root of 1379599 is about 1174.5633231120. The cubic root of 1379599 is about 111.3228433429.

The spelling of 1379599 in words is "one million, three hundred seventy-nine thousand, five hundred ninety-nine".