11521316 has 6 divisors (see below), whose sum is σ = 20162310. Its totient is φ = 5760656.

The previous prime is 11521303. The next prime is 11521327. The reversal of 11521316 is 61312511.

It can be written as a sum of positive squares in only one way, i.e., 7896100 + 3625216 = 2810^2 + 1904^2 .

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, 1440161 + ... + 1440168.

It is an arithmetic number, because the mean of its divisors is an integer number (3360385).

Almost surely, 2^11521316 is an apocalyptic number.

It is an amenable number.

11521316 is a deficient number, since it is larger than the sum of its proper divisors (8640994).

11521316 is a wasteful number, since it uses less digits than its factorization.

11521316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2880333 (or 2880331 counting only the distinct ones).

The product of its digits is 180, while the sum is 20.

The square root of 11521316 is about 3394.3064092683. The cubic root of 11521316 is about 225.8572466277.

Adding to 11521316 its reverse (61312511), we get a palindrome (72833827).

The spelling of 11521316 in words is "eleven million, five hundred twenty-one thousand, three hundred sixteen".