13012001 has 2 divisors, whose sum is σ = 13012002. Its totient is φ = 13012000.

The previous prime is 13011967. The next prime is 13012007. The reversal of 13012001 is 10021031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11723776 + 1288225 = 3424^2 + 1135^2 .

It is a cyclic number.

It is not a de Polignac number, because 13012001 - 2⁶ = 13011937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13012001.

It is not a weakly prime, because it can be changed into another prime (13012007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6506000 + 6506001.

It is an arithmetic number, because the mean of its divisors is an integer number (6506001).

Almost surely, 2^13012001 is an apocalyptic number.

It is an amenable number.

13012001 is a deficient number, since it is larger than the sum of its proper divisors (1).

13012001 is an equidigital number, since it uses as much as digits as its factorization.

13012001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 13012001 is about 3607.2151308177. The cubic root of 13012001 is about 235.2058013073.

Adding to 13012001 its reverse (10021031), we get a palindrome (23033032).

The spelling of 13012001 in words is "thirteen million, twelve thousand, one".