1273480 has 64 divisors (see below), whose sum is σ = 3225600. Its totient is φ = 449280.

The previous prime is 1273471. The next prime is 1273483. The reversal of 1273480 is 843721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1273483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16081 + ... + 16159.

It is an arithmetic number, because the mean of its divisors is an integer number (50400).

2^1273480 is an apocalyptic number.

1273480 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 1273480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1612800).

1273480 is an abundant number, since it is smaller than the sum of its proper divisors (1952120).

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

1273480 is a wasteful number, since it uses less digits than its factorization.

1273480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1273480 is about 1128.4857110305. The cubic root of 1273480 is about 108.3920365605.

The spelling of 1273480 in words is "one million, two hundred seventy-three thousand, four hundred eighty".