1273404 has 36 divisors (see below), whose sum is σ = 3269672. Its totient is φ = 385440.

The previous prime is 1273403. The next prime is 1273409. The reversal of 1273404 is 4043721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1273403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1014 + ... + 1890.

2^1273404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1273404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1634836).

1273404 is an abundant number, since it is smaller than the sum of its proper divisors (1996268).

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

1273404 is a wasteful number, since it uses less digits than its factorization.

1273404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906 (or 893 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 1273404 is about 1128.4520370844. The cubic root of 1273404 is about 108.3898802751.

The spelling of 1273404 in words is "one million, two hundred seventy-three thousand, four hundred four".