13552725 has 24 divisors (see below), whose sum is σ = 22587840. Its totient is φ = 7169920.

The previous prime is 13552691. The next prime is 13552739. The reversal of 13552725 is 52725531.

It is not a de Polignac number, because 13552725 - 2¹⁹ = 13028437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13552692 and 13552701.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 9616 + ... + 10934.

It is an arithmetic number, because the mean of its divisors is an integer number (941160).

Almost surely, 2^13552725 is an apocalyptic number.

13552725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13552725 is a deficient number, since it is larger than the sum of its proper divisors (9035115).

13552725 is a wasteful number, since it uses less digits than its factorization.

13552725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469 (or 1464 counting only the distinct ones).

The product of its digits is 10500, while the sum is 30.

The square root of 13552725 is about 3681.4025859718. The cubic root of 13552725 is about 238.4197392650.

The spelling of 13552725 in words is "thirteen million, five hundred fifty-two thousand, seven hundred twenty-five".