13733121 has 8 divisors (see below), whose sum is σ = 18345184. Its totient is φ = 9138240.

The previous prime is 13733117. The next prime is 13733131. The reversal of 13733121 is 12133731.

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

It is not a de Polignac number, because 13733121 - 2² = 13733117 is a prime.

It is a super-2 number, since 2×13733121² = 377197224801282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13733101) 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, 2296 + ... + 5721.

It is an arithmetic number, because the mean of its divisors is an integer number (2293148).

Almost surely, 2^13733121 is an apocalyptic number.

It is an amenable number.

13733121 is a deficient number, since it is larger than the sum of its proper divisors (4612063).

13733121 is an equidigital number, since it uses as much as digits as its factorization.

13733121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8591.

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

The square root of 13733121 is about 3705.8225807505. The cubic root of 13733121 is about 239.4729231669.

Adding to 13733121 its reverse (12133731), we get a palindrome (25866852).

The spelling of 13733121 in words is "thirteen million, seven hundred thirty-three thousand, one hundred twenty-one".