11724489 has 12 divisors (see below), whose sum is σ = 19354816. Its totient is φ = 6699672.

The previous prime is 11724481. The next prime is 11724527. The reversal of 11724489 is 98442711.

11724489 is a `hidden beast` number, since 1 + 172 + 4 + 489 = 666.

It is not a de Polignac number, because 11724489 - 2³ = 11724481 is a prime.

It is a super-2 number, since 2×11724489² = 274927284622242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11724481) 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, 92989 + ... + 93114.

Almost surely, 2^11724489 is an apocalyptic number.

It is an amenable number.

11724489 is a deficient number, since it is larger than the sum of its proper divisors (7630327).

11724489 is a wasteful number, since it uses less digits than its factorization.

11724489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186116 (or 186113 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 11724489 is about 3424.1041164077. The cubic root of 11724489 is about 227.1771470042.

The spelling of 11724489 in words is "eleven million, seven hundred twenty-four thousand, four hundred eighty-nine".