1359986 has 4 divisors (see below), whose sum is σ = 2039982. Its totient is φ = 679992.

The previous prime is 1359979. The next prime is 1359991. The reversal of 1359986 is 6899531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6899531 = 197 ⋅35023.

It can be written as a sum of positive squares in only one way, i.e., 1062961 + 297025 = 1031^2 + 545^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339995 + ... + 339998.

2^1359986 is an apocalyptic number.

1359986 is a deficient number, since it is larger than the sum of its proper divisors (679996).

1359986 is an equidigital number, since it uses as much as digits as its factorization.

1359986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679995.

The product of its digits is 58320, while the sum is 41.

The square root of 1359986 is about 1166.1843765031. The cubic root of 1359986 is about 110.7927849612.

The spelling of 1359986 in words is "one million, three hundred fifty-nine thousand, nine hundred eighty-six".