13506691207 has 2 divisors, whose sum is σ = 13506691208. Its totient is φ = 13506691206.

The previous prime is 13506691201. The next prime is 13506691321. The reversal of 13506691207 is 70219660531.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13506691207 is a prime.

It is a super-2 number, since 2×13506691207² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13506691207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13506691201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6753345603 + 6753345604.

It is an arithmetic number, because the mean of its divisors is an integer number (6753345604).

Almost surely, 2^13506691207 is an apocalyptic number.

13506691207 is a deficient number, since it is larger than the sum of its proper divisors (1).

13506691207 is an equidigital number, since it uses as much as digits as its factorization.

13506691207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 40.

The spelling of 13506691207 in words is "thirteen billion, five hundred six million, six hundred ninety-one thousand, two hundred seven".