11522641 has 16 divisors (see below), whose sum is σ = 12841920. Its totient is φ = 10272960.

The previous prime is 11522639. The next prime is 11522647. The reversal of 11522641 is 14622511.

It is a cyclic number.

It is not a de Polignac number, because 11522641 - 2¹ = 11522639 is a prime.

It is a super-2 number, since 2×11522641² = 265542511229762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11522647) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 63571 + ... + 63751.

It is an arithmetic number, because the mean of its divisors is an integer number (802620).

Almost surely, 2^11522641 is an apocalyptic number.

It is an amenable number.

11522641 is a deficient number, since it is larger than the sum of its proper divisors (1319279).

11522641 is a wasteful number, since it uses less digits than its factorization.

11522641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336.

The product of its digits is 480, while the sum is 22.

The square root of 11522641 is about 3394.5015834434. The cubic root of 11522641 is about 225.8659044749.

The spelling of 11522641 in words is "eleven million, five hundred twenty-two thousand, six hundred forty-one".