11728701 has 6 divisors (see below), whose sum is σ = 16941470. Its totient is φ = 7819128.

The previous prime is 11728699. The next prime is 11728721. The reversal of 11728701 is 10782711.

11728701 is digitally balanced in base 3, 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 only one way, i.e., 8122500 + 3606201 = 2850^2 + 1899^2 .

It is not a de Polignac number, because 11728701 - 2¹ = 11728699 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11728721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 651586 + ... + 651603.

Almost surely, 2^11728701 is an apocalyptic number.

It is an amenable number.

11728701 is a deficient number, since it is larger than the sum of its proper divisors (5212769).

11728701 is a wasteful number, since it uses less digits than its factorization.

11728701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303195 (or 1303192 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 27.

The square root of 11728701 is about 3424.7191125697. The cubic root of 11728701 is about 227.2043480641.

The spelling of 11728701 in words is "eleven million, seven hundred twenty-eight thousand, seven hundred one".