11439272 has 24 divisors (see below), whose sum is σ = 23228190. Its totient is φ = 5279040.

The previous prime is 11439251. The next prime is 11439277. The reversal of 11439272 is 27293411.

It can be written as a sum of positive squares in 3 ways, for example, as 7806436 + 3632836 = 2794^2 + 1906^2 .

It is not an unprimeable number, because it can be changed into a prime (11439277) 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 5 ways as a sum of consecutive naturals, for example, 2879 + ... + 5582.

Almost surely, 2^11439272 is an apocalyptic number.

It is an amenable number.

11439272 is an abundant number, since it is smaller than the sum of its proper divisors (11788918).

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

11439272 is a wasteful number, since it uses less digits than its factorization.

11439272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8493 (or 8476 counting only the distinct ones).

The product of its digits is 3024, while the sum is 29.

The square root of 11439272 is about 3382.1992844893. The cubic root of 11439272 is about 225.3198545521.

It can be divided in two parts, 11439 and 272, that added together give a palindrome (11711).

The spelling of 11439272 in words is "eleven million, four hundred thirty-nine thousand, two hundred seventy-two".