13506272 has 24 divisors (see below), whose sum is σ = 28636776. Its totient is φ = 6233472.

The previous prime is 13506217. The next prime is 13506277. The reversal of 13506272 is 27260531.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13506277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15818 + ... + 16649.

It is an arithmetic number, because the mean of its divisors is an integer number (1193199).

Almost surely, 2^13506272 is an apocalyptic number.

It is an amenable number.

13506272 is an abundant number, since it is smaller than the sum of its proper divisors (15130504).

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

13506272 is a wasteful number, since it uses less digits than its factorization.

13506272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32490 (or 32482 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 13506272 is about 3675.0880261567. The cubic root of 13506272 is about 238.1470268246.

The spelling of 13506272 in words is "thirteen million, five hundred six thousand, two hundred seventy-two".