11648973 has 16 divisors (see below), whose sum is σ = 17884800. Its totient is φ = 6606336.

The previous prime is 11648951. The next prime is 11649007. The reversal of 11648973 is 37984611.

It is not a de Polignac number, because 11648973 - 2⁵ = 11648941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11648933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 853 + ... + 4901.

It is an arithmetic number, because the mean of its divisors is an integer number (1117800).

Almost surely, 2^11648973 is an apocalyptic number.

It is an amenable number.

11648973 is a deficient number, since it is larger than the sum of its proper divisors (6235827).

11648973 is a wasteful number, since it uses less digits than its factorization.

11648973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4196.

The product of its digits is 36288, while the sum is 39.

The square root of 11648973 is about 3413.0591849542. The cubic root of 11648973 is about 226.6883560079.

It can be divided in two parts, 11648 and 973, that added together give a palindrome (12621).

The spelling of 11648973 in words is "eleven million, six hundred forty-eight thousand, nine hundred seventy-three".