1273472 has 16 divisors (see below), whose sum is σ = 2537250. Its totient is φ = 636672.

The previous prime is 1273471. The next prime is 1273483. The reversal of 1273472 is 2743721.

It can be written as a sum of positive squares in only one way, i.e., 1132096 + 141376 = 1064^2 + 376^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (1273471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4847 + ... + 5102.

2^1273472 is an apocalyptic number.

It is an amenable number.

1273472 is a deficient number, since it is larger than the sum of its proper divisors (1263778).

1273472 is an frugal number, since it uses more digits than its factorization.

1273472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9963 (or 9951 counting only the distinct ones).

The product of its digits is 2352, while the sum is 26.

The square root of 1273472 is about 1128.4821664519. The cubic root of 1273472 is about 108.3918095871.

The spelling of 1273472 in words is "one million, two hundred seventy-three thousand, four hundred seventy-two".