13528266 has 16 divisors (see below), whose sum is σ = 28480800. Its totient is φ = 4272048.

The previous prime is 13528261. The next prime is 13528271. The reversal of 13528266 is 66282531.

It is an interprime number because it is at equal distance from previous prime (13528261) and next prime (13528271).

It is not an unprimeable number, because it can be changed into a prime (13528261) 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, 59221 + ... + 59448.

It is an arithmetic number, because the mean of its divisors is an integer number (1780050).

Almost surely, 2^13528266 is an apocalyptic number.

13528266 is an abundant number, since it is smaller than the sum of its proper divisors (14952534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13528266 is a wasteful number, since it uses less digits than its factorization.

13528266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118693.

The product of its digits is 17280, while the sum is 33.

The square root of 13528266 is about 3678.0791182355. The cubic root of 13528266 is about 238.2762251987.

The spelling of 13528266 in words is "thirteen million, five hundred twenty-eight thousand, two hundred sixty-six".