13620011 has 2 divisors, whose sum is σ = 13620012. Its totient is φ = 13620010.

The previous prime is 13620007. The next prime is 13620023. The reversal of 13620011 is 11002631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13620011 - 2² = 13620007 is a prime.

It is not a weakly prime, because it can be changed into another prime (13620041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6810005 + 6810006.

It is an arithmetic number, because the mean of its divisors is an integer number (6810006).

Almost surely, 2^13620011 is an apocalyptic number.

13620011 is a deficient number, since it is larger than the sum of its proper divisors (1).

13620011 is an equidigital number, since it uses as much as digits as its factorization.

13620011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 13620011 is about 3690.5299077504. The cubic root of 13620011 is about 238.8136535229.

Adding to 13620011 its reverse (11002631), we get a palindrome (24622642).

The spelling of 13620011 in words is "thirteen million, six hundred twenty thousand, eleven".