1376256 has 68 divisors (see below), whose sum is σ = 4194272. Its totient is φ = 393216.

The previous prime is 1376237. The next prime is 1376257. The reversal of 1376256 is 6526731.

It is an Ulam number.

Its product of digits (7560) is a multiple of the sum of its prime divisors (12).

It is a nialpdrome in base 4 and base 8.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1376257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196605 + ... + 196611.

2^1376256 is an apocalyptic number.

1376256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1376256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2097136).

1376256 is an abundant number, since it is smaller than the sum of its proper divisors (2818016).

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

1376256 is an frugal number, since it uses more digits than its factorization.

1376256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42 (or 12 counting only the distinct ones).

The product of its digits is 7560, while the sum is 30.

The square root of 1376256 is about 1173.1393779087. The cubic root of 1376256 is about 111.2328526364.

The spelling of 1376256 in words is "one million, three hundred seventy-six thousand, two hundred fifty-six".