13522775 has 48 divisors (see below), whose sum is σ = 20832000. Its totient is φ = 8678880.

The previous prime is 13522771. The next prime is 13522783. The reversal of 13522775 is 57722531.

13522775 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13522775 - 2² = 13522771 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13522771) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 162884 + ... + 162966.

It is an arithmetic number, because the mean of its divisors is an integer number (434000).

Almost surely, 2^13522775 is an apocalyptic number.

13522775 is a deficient number, since it is larger than the sum of its proper divisors (7309225).

13522775 is an equidigital number, since it uses as much as digits as its factorization.

13522775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 114 counting only the distinct ones).

The product of its digits is 14700, while the sum is 32.

The square root of 13522775 is about 3677.3325930625. The cubic root of 13522775 is about 238.2439827859.

The spelling of 13522775 in words is "thirteen million, five hundred twenty-two thousand, seven hundred seventy-five".