13122434401 has 4 divisors (see below), whose sum is σ = 13123025172. Its totient is φ = 13121843632.

The previous prime is 13122434371. The next prime is 13122434407. The reversal of 13122434401 is 10443422131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1077152400 + 12045282001 = 32820^2 + 109751^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13122434401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13122434407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260710 + ... + 306943.

It is an arithmetic number, because the mean of its divisors is an integer number (3280756293).

Almost surely, 2^13122434401 is an apocalyptic number.

It is an amenable number.

13122434401 is a deficient number, since it is larger than the sum of its proper divisors (590771).

13122434401 is an equidigital number, since it uses as much as digits as its factorization.

13122434401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590770.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 13122434401 its reverse (10443422131), we get a palindrome (23565856532).

The spelling of 13122434401 in words is "thirteen billion, one hundred twenty-two million, four hundred thirty-four thousand, four hundred one".