13166522 has 16 divisors (see below), whose sum is σ = 20592360. Its totient is φ = 6306048.

The previous prime is 13166521. The next prime is 13166567. The reversal of 13166522 is 22566131.

It can be written as a sum of positive squares in 4 ways, for example, as 10883401 + 2283121 = 3299^2 + 1511^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13166491 and 13166500.

It is not an unprimeable number, because it can be changed into a prime (13166521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7118 + ... + 8774.

Almost surely, 2^13166522 is an apocalyptic number.

13166522 is a deficient number, since it is larger than the sum of its proper divisors (7425838).

13166522 is a wasteful number, since it uses less digits than its factorization.

13166522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825.

The product of its digits is 2160, while the sum is 26.

The square root of 13166522 is about 3628.5702418446. The cubic root of 13166522 is about 236.1331839459.

The spelling of 13166522 in words is "thirteen million, one hundred sixty-six thousand, five hundred twenty-two".