1272433 has 12 divisors (see below), whose sum is σ = 1411020. Its totient is φ = 1143296.

The previous prime is 1272421. The next prime is 1272443. The reversal of 1272433 is 3342721.

1272433 is nontrivially palindromic in base 4.

It can be written as a sum of positive squares in 6 ways, for example, as 49 + 1272384 = 7^2 + 1128^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1272433 is a prime.

It is a Duffinian number.

1272433 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1272443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14253 + ... + 14341.

It is an arithmetic number, because the mean of its divisors is an integer number (117585).

2^1272433 is an apocalyptic number.

It is an amenable number.

1272433 is a deficient number, since it is larger than the sum of its proper divisors (138587).

1272433 is an equidigital number, since it uses as much as digits as its factorization.

1272433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 135 counting only the distinct ones).

The product of its digits is 1008, while the sum is 22.

The square root of 1272433 is about 1128.0217196491. The cubic root of 1272433 is about 108.3623233395.

The spelling of 1272433 in words is "one million, two hundred seventy-two thousand, four hundred thirty-three".