13122011 has 8 divisors (see below), whose sum is σ = 15878880. Its totient is φ = 10585728.

The previous prime is 13122001. The next prime is 13122037. The reversal of 13122011 is 11022131.

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 13122011 - 2²² = 8927707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13121983 and 13122001.

It is not an unprimeable number, because it can be changed into a prime (13122001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55016 + ... + 55253.

It is an arithmetic number, because the mean of its divisors is an integer number (1984860).

Almost surely, 2^13122011 is an apocalyptic number.

13122011 is a deficient number, since it is larger than the sum of its proper divisors (2756869).

13122011 is a wasteful number, since it uses less digits than its factorization.

13122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110293.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 13122011 is about 3622.4316418671. The cubic root of 13122011 is about 235.8667913868.

Adding to 13122011 its reverse (11022131), we get a palindrome (24144142).

The spelling of 13122011 in words is "thirteen million, one hundred twenty-two thousand, eleven".