11543772 has 12 divisors (see below), whose sum is σ = 26935496. Its totient is φ = 3847920.

The previous prime is 11543767. The next prime is 11543789. The reversal of 11543772 is 27734511.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 480979 + ... + 481002.

Almost surely, 2^11543772 is an apocalyptic number.

11543772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11543772 is an abundant number, since it is smaller than the sum of its proper divisors (15391724).

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

11543772 is a wasteful number, since it uses less digits than its factorization.

11543772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961988 (or 961986 counting only the distinct ones).

The product of its digits is 5880, while the sum is 30.

The square root of 11543772 is about 3397.6126912878. The cubic root of 11543772 is about 226.0038895616.

The spelling of 11543772 in words is "eleven million, five hundred forty-three thousand, seven hundred seventy-two".