11722532 has 6 divisors (see below), whose sum is σ = 20514438. Its totient is φ = 5861264.

The previous prime is 11722519. The next prime is 11722589. The reversal of 11722532 is 23522711.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5885476 + 5837056 = 2426^2 + 2416^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11722498 and 11722507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1465313 + ... + 1465320.

It is an arithmetic number, because the mean of its divisors is an integer number (3419073).

Almost surely, 2^11722532 is an apocalyptic number.

It is an amenable number.

11722532 is a deficient number, since it is larger than the sum of its proper divisors (8791906).

11722532 is a wasteful number, since it uses less digits than its factorization.

11722532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2930637 (or 2930635 counting only the distinct ones).

The product of its digits is 840, while the sum is 23.

The square root of 11722532 is about 3423.8183363023. The cubic root of 11722532 is about 227.1645064984.

The spelling of 11722532 in words is "eleven million, seven hundred twenty-two thousand, five hundred thirty-two".