11924217 has 6 divisors (see below), whose sum is σ = 17223882. Its totient is φ = 7949472.

The previous prime is 11924183. The next prime is 11924233. The reversal of 11924217 is 71242911.

It can be written as a sum of positive squares in only one way, i.e., 8156736 + 3767481 = 2856^2 + 1941^2 .

It is a de Polignac number, because none of the positive numbers 2^k-11924217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11923217) 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, 662448 + ... + 662465.

It is an arithmetic number, because the mean of its divisors is an integer number (2870647).

Almost surely, 2^11924217 is an apocalyptic number.

It is an amenable number.

11924217 is a deficient number, since it is larger than the sum of its proper divisors (5299665).

11924217 is a wasteful number, since it uses less digits than its factorization.

11924217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324919 (or 1324916 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 11924217 is about 3453.1459569500. The cubic root of 11924217 is about 228.4598866297.

Subtracting from 11924217 its product of digits (1008), we obtain a square (11923209 = 3453²).

It can be divided in two parts, 119 and 24217, that added together give a square (24336 = 156²).

The spelling of 11924217 in words is "eleven million, nine hundred twenty-four thousand, two hundred seventeen".