1320612386 has 8 divisors (see below), whose sum is σ = 1981091520. Its totient is φ = 660248548.

The previous prime is 1320612379. The next prime is 1320612389. The reversal of 1320612386 is 6832160231.

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

It is a super-2 number, since 2×1320612386² = 3488034148113225992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1320612389) 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, 10595 + ... + 52473.

It is an arithmetic number, because the mean of its divisors is an integer number (247636440).

Almost surely, 2^1320612386 is an apocalyptic number.

1320612386 is a deficient number, since it is larger than the sum of its proper divisors (660479134).

1320612386 is a wasteful number, since it uses less digits than its factorization.

1320612386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57648.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 1320612386 is about 36340.2309568885. The cubic root of 1320612386 is about 1097.1309215704.

The spelling of 1320612386 in words is "one billion, three hundred twenty million, six hundred twelve thousand, three hundred eighty-six".