13121067 has 8 divisors (see below), whose sum is σ = 17665024. Its totient is φ = 8662248.

The previous prime is 13121047. The next prime is 13121071. The reversal of 13121067 is 76012131.

13121067 is digitally balanced in base 3, because in such base 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 13121067 - 2²³ = 4732459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13121047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20923 + ... + 21540.

It is an arithmetic number, because the mean of its divisors is an integer number (2208128).

Almost surely, 2^13121067 is an apocalyptic number.

13121067 is a deficient number, since it is larger than the sum of its proper divisors (4543957).

13121067 is a wasteful number, since it uses less digits than its factorization.

13121067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42569.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 13121067 is about 3622.3013403084. The cubic root of 13121067 is about 235.8611351503.

Adding to 13121067 its reverse (76012131), we get a palindrome (89133198).

The spelling of 13121067 in words is "thirteen million, one hundred twenty-one thousand, sixty-seven".