11561296 has 10 divisors (see below), whose sum is σ = 22400042. Its totient is φ = 5780640.

The previous prime is 11561287. The next prime is 11561317. The reversal of 11561296 is 69216511.

It can be written as a sum of positive squares in only one way, i.e., 11560000 + 1296 = 3400^2 + 36^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361275 + ... + 361306.

Almost surely, 2^11561296 is an apocalyptic number.

11561296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11561296 is a deficient number, since it is larger than the sum of its proper divisors (10838746).

11561296 is an equidigital number, since it uses as much as digits as its factorization.

11561296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722589 (or 722583 counting only the distinct ones).

The product of its digits is 3240, while the sum is 31.

The square root of 11561296 is about 3400.1905828938. The cubic root of 11561296 is about 226.1181933257.

It can be divided in two parts, 1156 and 1296, that multiplied together give a square (1498176 = 1224²).

The spelling of 11561296 in words is "eleven million, five hundred sixty-one thousand, two hundred ninety-six".