13528494 has 48 divisors (see below), whose sum is σ = 35268480. Its totient is φ = 3661200.

The previous prime is 13528477. The next prime is 13528499. The reversal of 13528494 is 49482531.

It is a super-3 number, since 3×13528494³ (a number of 22 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13528499) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 432 + ... + 5219.

It is an arithmetic number, because the mean of its divisors is an integer number (734760).

Almost surely, 2^13528494 is an apocalyptic number.

13528494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13528494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17634240).

13528494 is an abundant number, since it is smaller than the sum of its proper divisors (21739986).

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

13528494 is a wasteful number, since it uses less digits than its factorization.

13528494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5685 (or 5682 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 13528494 is about 3678.1101125442. The cubic root of 13528494 is about 238.2775637953.

The spelling of 13528494 in words is "thirteen million, five hundred twenty-eight thousand, four hundred ninety-four".