13669121 has 8 divisors (see below), whose sum is σ = 14246400. Its totient is φ = 13098960.

The previous prime is 13669093. The next prime is 13669129. The reversal of 13669121 is 12196631.

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 13669121 - 2¹⁰ = 13668097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13669129) 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, 2336 + ... + 5726.

It is an arithmetic number, because the mean of its divisors is an integer number (1780800).

Almost surely, 2^13669121 is an apocalyptic number.

It is an amenable number.

13669121 is a deficient number, since it is larger than the sum of its proper divisors (577279).

13669121 is a wasteful number, since it uses less digits than its factorization.

13669121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3559.

The product of its digits is 1944, while the sum is 29.

The square root of 13669121 is about 3697.1774369105. The cubic root of 13669121 is about 239.1003412637.

The spelling of 13669121 in words is "thirteen million, six hundred sixty-nine thousand, one hundred twenty-one".