13274528 has 48 divisors (see below), whose sum is σ = 27216000. Its totient is φ = 6369792.

The previous prime is 13274497. The next prime is 13274533. The reversal of 13274528 is 82547231.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 13274494 and 13274503.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149108 + ... + 149196.

It is an arithmetic number, because the mean of its divisors is an integer number (567000).

Almost surely, 2^13274528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13274528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13608000).

13274528 is an abundant number, since it is smaller than the sum of its proper divisors (13941472).

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

13274528 is an equidigital number, since it uses as much as digits as its factorization.

13274528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 229 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 13274528 is about 3643.4225667633. The cubic root of 13274528 is about 236.7770993802. Note that the first 3 decimals are identical.

The spelling of 13274528 in words is "thirteen million, two hundred seventy-four thousand, five hundred twenty-eight".