13306866437 has 2 divisors, whose sum is σ = 13306866438. Its totient is φ = 13306866436.

The previous prime is 13306866421. The next prime is 13306866491. The reversal of 13306866437 is 73466860331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12789121921 + 517744516 = 113089^2 + 22754^2 .

It is a cyclic number.

It is not a de Polignac number, because 13306866437 - 2⁴ = 13306866421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13306866391 and 13306866400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13306866497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6653433218 + 6653433219.

It is an arithmetic number, because the mean of its divisors is an integer number (6653433219).

Almost surely, 2^13306866437 is an apocalyptic number.

It is an amenable number.

13306866437 is a deficient number, since it is larger than the sum of its proper divisors (1).

13306866437 is an equidigital number, since it uses as much as digits as its factorization.

13306866437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 47.

The spelling of 13306866437 in words is "thirteen billion, three hundred six million, eight hundred sixty-six thousand, four hundred thirty-seven".