11521892 has 6 divisors (see below), whose sum is σ = 20163318. Its totient is φ = 5760944.

The previous prime is 11521879. The next prime is 11521897. The reversal of 11521892 is 29812511.

It can be written as a sum of positive squares in only one way, i.e., 10719076 + 802816 = 3274^2 + 896^2 .

It is not an unprimeable number, because it can be changed into a prime (11521897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1440233 + ... + 1440240.

It is an arithmetic number, because the mean of its divisors is an integer number (3360553).

Almost surely, 2^11521892 is an apocalyptic number.

It is an amenable number.

11521892 is a deficient number, since it is larger than the sum of its proper divisors (8641426).

11521892 is a wasteful number, since it uses less digits than its factorization.

11521892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2880477 (or 2880475 counting only the distinct ones).

The product of its digits is 1440, while the sum is 29.

The square root of 11521892 is about 3394.3912561754. The cubic root of 11521892 is about 225.8610104225.

The spelling of 11521892 in words is "eleven million, five hundred twenty-one thousand, eight hundred ninety-two".