11522071 has 8 divisors (see below), whose sum is σ = 12729600. Its totient is φ = 10341240.

The previous prime is 11522053. The next prime is 11522087. The reversal of 11522071 is 17022511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11522071 - 2¹⁷ = 11390999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11522671) 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 7 ways as a sum of consecutive naturals, for example, 5761 + ... + 7498.

It is an arithmetic number, because the mean of its divisors is an integer number (1591200).

Almost surely, 2^11522071 is an apocalyptic number.

11522071 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11522071 is a deficient number, since it is larger than the sum of its proper divisors (1207529).

11522071 is a wasteful number, since it uses less digits than its factorization.

11522071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13349.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 11522071 is about 3394.4176230983. The cubic root of 11522071 is about 225.8621800484.

Adding to 11522071 its reverse (17022511), we get a palindrome (28544582).

It can be divided in two parts, 1152 and 2071, that added together give a palindrome (3223).

The spelling of 11522071 in words is "eleven million, five hundred twenty-two thousand, seventy-one".