1273328 has 20 divisors (see below), whose sum is σ = 2819760. Its totient is φ = 545664.

The previous prime is 1273313. The next prime is 1273331. The reversal of 1273328 is 8233721.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1273297 and 1273306.

It is a congruent number.

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, 5573 + ... + 5796.

It is an arithmetic number, because the mean of its divisors is an integer number (140988).

2^1273328 is an apocalyptic number.

It is an amenable number.

1273328 is an abundant number, since it is smaller than the sum of its proper divisors (1546432).

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

1273328 is a wasteful number, since it uses less digits than its factorization.

1273328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11384 (or 11378 counting only the distinct ones).

The product of its digits is 2016, while the sum is 26.

The square root of 1273328 is about 1128.4183621335. The cubic root of 1273328 is about 108.3877239040.

The spelling of 1273328 in words is "one million, two hundred seventy-three thousand, three hundred twenty-eight".