1377306 has 48 divisors (see below), whose sum is σ = 3616704. Its totient is φ = 369792.

The previous prime is 1377293. The next prime is 1377317. The reversal of 1377306 is 6037731.

It is a self number, because there is not a number n which added to its sum of digits gives 1377306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1821 + ... + 2463.

It is an arithmetic number, because the mean of its divisors is an integer number (75348).

2^1377306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1377306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1808352).

1377306 is an abundant number, since it is smaller than the sum of its proper divisors (2239398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1377306 is a wasteful number, since it uses less digits than its factorization.

1377306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675 (or 672 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 27.

The square root of 1377306 is about 1173.5868097418. The cubic root of 1377306 is about 111.2611334227.

The spelling of 1377306 in words is "one million, three hundred seventy-seven thousand, three hundred six".