11725812 has 144 divisors (see below), whose sum is σ = 37273600. Its totient is φ = 3032640.

The previous prime is 11725811. The next prime is 11725823. The reversal of 11725812 is 21852711.

11725812 is a `hidden beast` number, since 11 + 72 + 581 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11725811) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 148389 + ... + 148467.

Almost surely, 2^11725812 is an apocalyptic number.

11725812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11725812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18636800).

11725812 is an abundant number, since it is smaller than the sum of its proper divisors (25547788).

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

11725812 is a wasteful number, since it uses less digits than its factorization.

11725812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 141 counting only the distinct ones).

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

The square root of 11725812 is about 3424.2973001771. The cubic root of 11725812 is about 227.1856916285.

The spelling of 11725812 in words is "eleven million, seven hundred twenty-five thousand, eight hundred twelve".