11817252 has 30 divisors (see below), whose sum is σ = 30893478. Its totient is φ = 3938976.

The previous prime is 11817241. The next prime is 11817269. The reversal of 11817252 is 25271811.

It can be written as a sum of positive squares in only one way, i.e., 9585216 + 2232036 = 3096^2 + 1494^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 17913 + ... + 18560.

Almost surely, 2^11817252 is an apocalyptic number.

11817252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11817252 is an abundant number, since it is smaller than the sum of its proper divisors (19076226).

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

11817252 is a wasteful number, since it uses less digits than its factorization.

11817252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36489 (or 36478 counting only the distinct ones).

The product of its digits is 1120, while the sum is 27.

The square root of 11817252 is about 3437.6230159807. The cubic root of 11817252 is about 227.7747082055.

The spelling of 11817252 in words is "eleven million, eight hundred seventeen thousand, two hundred fifty-two".