11801725 has 12 divisors (see below), whose sum is σ = 15760276. Its totient is φ = 8714880.

The previous prime is 11801701. The next prime is 11801759. The reversal of 11801725 is 52710811.

11801725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 3193369 + 8608356 = 1787^2 + 2934^2 .

It is not a de Polignac number, because 11801725 - 2⁵ = 11801693 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11801725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17832 + ... + 18481.

Almost surely, 2^11801725 is an apocalyptic number.

It is an amenable number.

11801725 is a deficient number, since it is larger than the sum of its proper divisors (3958551).

11801725 is a wasteful number, since it uses less digits than its factorization.

11801725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36336 (or 36331 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 25.

The square root of 11801725 is about 3435.3638817453. The cubic root of 11801725 is about 227.6749047431.

The spelling of 11801725 in words is "eleven million, eight hundred one thousand, seven hundred twenty-five".