13528690 has 32 divisors (see below), whose sum is σ = 28030464. Its totient is φ = 4605120.

The previous prime is 13528681. The next prime is 13528693. The reversal of 13528690 is 9682531.

It is a super-2 number, since 2×13528690² = 366050906232200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (13528693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10375 + ... + 11605.

It is an arithmetic number, because the mean of its divisors is an integer number (875952).

Almost surely, 2^13528690 is an apocalyptic number.

13528690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13528690 is an abundant number, since it is smaller than the sum of its proper divisors (14501774).

13528690 is a wasteful number, since it uses less digits than its factorization.

13528690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 13528690 is about 3678.1367565657. The cubic root of 13528690 is about 238.2787145067.

The spelling of 13528690 in words is "thirteen million, five hundred twenty-eight thousand, six hundred ninety".