11489972 has 36 divisors (see below), whose sum is σ = 22750560. Its totient is φ = 5065632.

The previous prime is 11489971. The next prime is 11489983. The reversal of 11489972 is 27998411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11489971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15179 + ... + 15917.

It is an arithmetic number, because the mean of its divisors is an integer number (631960).

Almost surely, 2^11489972 is an apocalyptic number.

It is an amenable number.

11489972 is a deficient number, since it is larger than the sum of its proper divisors (11260588).

11489972 is a wasteful number, since it uses less digits than its factorization.

11489972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792 (or 777 counting only the distinct ones).

The product of its digits is 36288, while the sum is 41.

The square root of 11489972 is about 3389.6861211623. The cubic root of 11489972 is about 225.6522440328.

It can be divided in two parts, 114899 and 72, that multiplied together give a palindrome (8272728).

The spelling of 11489972 in words is "eleven million, four hundred eighty-nine thousand, nine hundred seventy-two".