13620007 has 2 divisors, whose sum is σ = 13620008. Its totient is φ = 13620006.

The previous prime is 13619987. The next prime is 13620011. The reversal of 13620007 is 70002631.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13620007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13620037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6810003 + 6810004.

It is an arithmetic number, because the mean of its divisors is an integer number (6810004).

Almost surely, 2^13620007 is an apocalyptic number.

13620007 is a deficient number, since it is larger than the sum of its proper divisors (1).

13620007 is an equidigital number, since it uses as much as digits as its factorization.

13620007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 13620007 is about 3690.5293658227. The cubic root of 13620007 is about 238.8136301442.

Adding to 13620007 its reverse (70002631), we get a palindrome (83622638).

The spelling of 13620007 in words is "thirteen million, six hundred twenty thousand, seven".