1387306 has 8 divisors (see below), whose sum is σ = 2088000. Its totient is φ = 691308.

The previous prime is 1387289. The next prime is 1387313. The reversal of 1387306 is 6037831.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306 + ... + 1693.

It is an arithmetic number, because the mean of its divisors is an integer number (261000).

2^1387306 is an apocalyptic number.

1387306 is a deficient number, since it is larger than the sum of its proper divisors (700694).

1387306 is a wasteful number, since it uses less digits than its factorization.

1387306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2348.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1387306 is about 1177.8395476465. The cubic root of 1387306 is about 111.5297567157.

The spelling of 1387306 in words is "one million, three hundred eighty-seven thousand, three hundred six".