13337121 has 16 divisors (see below), whose sum is σ = 20450304. Its totient is φ = 7573584.

The previous prime is 13337119. The next prime is 13337123. The reversal of 13337121 is 12173331.

13337121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13337119) and next prime (13337123).

It is not a de Polignac number, because 13337121 - 2¹ = 13337119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13337123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1606 + ... + 5408.

It is an arithmetic number, because the mean of its divisors is an integer number (1278144).

Almost surely, 2^13337121 is an apocalyptic number.

It is an amenable number.

13337121 is a deficient number, since it is larger than the sum of its proper divisors (7113183).

13337121 is a wasteful number, since it uses less digits than its factorization.

13337121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3980.

The product of its digits is 378, while the sum is 21.

The square root of 13337121 is about 3652.0023274910. The cubic root of 13337121 is about 237.1486720505.

The spelling of 13337121 in words is "thirteen million, three hundred thirty-seven thousand, one hundred twenty-one".