11487172 has 36 divisors (see below), whose sum is σ = 22521520. Its totient is φ = 5111424.

The previous prime is 11487163. The next prime is 11487181. The reversal of 11487172 is 27178411.

It is an interprime number because it is at equal distance from previous prime (11487163) and next prime (11487181).

It is an unprimeable number.

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, 21703 + ... + 22225.

Almost surely, 2^11487172 is an apocalyptic number.

It is an amenable number.

11487172 is a deficient number, since it is larger than the sum of its proper divisors (11034348).

11487172 is a wasteful number, since it uses less digits than its factorization.

11487172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580 (or 561 counting only the distinct ones).

The product of its digits is 3136, while the sum is 31.

The square root of 11487172 is about 3389.2730784049. The cubic root of 11487172 is about 225.6339127548.

The spelling of 11487172 in words is "eleven million, four hundred eighty-seven thousand, one hundred seventy-two".