13725669 has 8 divisors (see below), whose sum is σ = 18506880. Its totient is φ = 9047456.

The previous prime is 13725661. The next prime is 13725709. The reversal of 13725669 is 96652731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13725669 - 2³ = 13725661 is a prime.

It is a super-2 number, since 2×13725669² = 376787978995122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13725661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25437 + ... + 25970.

It is an arithmetic number, because the mean of its divisors is an integer number (2313360).

Almost surely, 2^13725669 is an apocalyptic number.

It is an amenable number.

13725669 is a deficient number, since it is larger than the sum of its proper divisors (4781211).

13725669 is an equidigital number, since it uses as much as digits as its factorization.

13725669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51499.

The product of its digits is 68040, while the sum is 39.

The square root of 13725669 is about 3704.8169995291. The cubic root of 13725669 is about 239.4296002858.

The spelling of 13725669 in words is "thirteen million, seven hundred twenty-five thousand, six hundred sixty-nine".