1276880 has 40 divisors (see below), whose sum is σ = 3240864. Its totient is φ = 464000.

The previous prime is 1276871. The next prime is 1276889. The reversal of 1276880 is 886721.

It is an interprime number because it is at equal distance from previous prime (1276871) and next prime (1276889).

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1276889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155 + ... + 1605.

2^1276880 is an apocalyptic number.

1276880 is a gapful number since it is divisible by the number (10) 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 1276880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1620432).

1276880 is an abundant number, since it is smaller than the sum of its proper divisors (1963984).

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

1276880 is a wasteful number, since it uses less digits than its factorization.

1276880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475 (or 1469 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 1276880 is about 1129.9911504078. The cubic root of 1276880 is about 108.4884143164.

It can be divided in two parts, 127 and 6880, that added together give a palindrome (7007).

The spelling of 1276880 in words is "one million, two hundred seventy-six thousand, eight hundred eighty".