13601121 has 8 divisors (see below), whose sum is σ = 18190944. Its totient is φ = 9039360.

The previous prime is 13601117. The next prime is 13601123. The reversal of 13601121 is 12110631.

13601121 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13601121 - 2² = 13601117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13601121.

It is not an unprimeable number, because it can be changed into a prime (13601123) 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, 5856 + ... + 7841.

It is an arithmetic number, because the mean of its divisors is an integer number (2273868).

Almost surely, 2^13601121 is an apocalyptic number.

It is an amenable number.

13601121 is a deficient number, since it is larger than the sum of its proper divisors (4589823).

13601121 is a wasteful number, since it uses less digits than its factorization.

13601121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14031.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 13601121 is about 3687.9697666874. The cubic root of 13601121 is about 238.7031965124.

Adding to 13601121 its reverse (12110631), we get a palindrome (25711752).

The spelling of 13601121 in words is "thirteen million, six hundred one thousand, one hundred twenty-one".