11663272 has 16 divisors (see below), whose sum is σ = 22115700. Its totient is φ = 5765760.

The previous prime is 11663269. The next prime is 11663287. The reversal of 11663272 is 27236611.

It can be written as a sum of positive squares in 2 ways, for example, as 8444836 + 3218436 = 2906^2 + 1794^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11663272.

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, 7479 + ... + 8902.

Almost surely, 2^11663272 is an apocalyptic number.

It is an amenable number.

11663272 is a deficient number, since it is larger than the sum of its proper divisors (10452428).

11663272 is a wasteful number, since it uses less digits than its factorization.

11663272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16476 (or 16472 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 11663272 is about 3415.1532908495. The cubic root of 11663272 is about 226.7810706601.

Adding to 11663272 its reverse (27236611), we get a palindrome (38899883).

It can be divided in two parts, 11663 and 272, that added together give a triangular number (11935 = T₁₅₄).

The spelling of 11663272 in words is "eleven million, six hundred sixty-three thousand, two hundred seventy-two".