13725189 has 6 divisors (see below), whose sum is σ = 19825286. Its totient is φ = 9150120.

The previous prime is 13725169. The next prime is 13725197. The reversal of 13725189 is 98152731.

13725189 is a `hidden beast` number, since 137 + 2 + 518 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8122500 + 5602689 = 2850^2 + 2367^2 .

It is not a de Polignac number, because 13725189 - 2⁹ = 13724677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13725109) 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 5 ways as a sum of consecutive naturals, for example, 762502 + ... + 762519.

Almost surely, 2^13725189 is an apocalyptic number.

It is an amenable number.

13725189 is a deficient number, since it is larger than the sum of its proper divisors (6100097).

13725189 is a wasteful number, since it uses less digits than its factorization.

13725189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525027 (or 1525024 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 13725189 is about 3704.7522184351. The cubic root of 13725189 is about 239.4268092245.

It can be divided in two parts, 1372 and 5189, that added together give a 8-th power (6561 = 3⁸).

The spelling of 13725189 in words is "thirteen million, seven hundred twenty-five thousand, one hundred eighty-nine".