11725172 has 24 divisors (see below), whose sum is σ = 21840840. Its totient is φ = 5488640.

The previous prime is 11725169. The next prime is 11725177. The reversal of 11725172 is 27152711.

It can be written as a sum of positive squares in 4 ways, for example, as 2808976 + 8916196 = 1676^2 + 2986^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11725177) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 17972 + ... + 18612.

It is an arithmetic number, because the mean of its divisors is an integer number (910035).

Almost surely, 2^11725172 is an apocalyptic number.

It is an amenable number.

11725172 is a deficient number, since it is larger than the sum of its proper divisors (10115668).

11725172 is a wasteful number, since it uses less digits than its factorization.

11725172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931 (or 929 counting only the distinct ones).

The product of its digits is 980, while the sum is 26.

The square root of 11725172 is about 3424.2038490721. The cubic root of 11725172 is about 227.1815582548.

Adding to 11725172 its reverse (27152711), we get a palindrome (38877883).

The spelling of 11725172 in words is "eleven million, seven hundred twenty-five thousand, one hundred seventy-two".