11543072 has 24 divisors (see below), whose sum is σ = 22899996. Its totient is φ = 5727232.

The previous prime is 11543069. The next prime is 11543083. The reversal of 11543072 is 27034511.

It can be written as a sum of positive squares in 2 ways, for example, as 11316496 + 226576 = 3364^2 + 476^2 .

It is a super-2 number, since 2×11543072² = 266485022394368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3068 + ... + 5700.

Almost surely, 2^11543072 is an apocalyptic number.

It is an amenable number.

11543072 is a deficient number, since it is larger than the sum of its proper divisors (11356924).

11543072 is a wasteful number, since it uses less digits than its factorization.

11543072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780 (or 2772 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 11543072 is about 3397.5096762187. The cubic root of 11543072 is about 225.9993212708. Note that the first 3 decimals are identical.

Adding to 11543072 its reverse (27034511), we get a palindrome (38577583).

The spelling of 11543072 in words is "eleven million, five hundred forty-three thousand, seventy-two".