13406737 has 2 divisors, whose sum is σ = 13406738. Its totient is φ = 13406736.

The previous prime is 13406711. The next prime is 13406759. The reversal of 13406737 is 73760431.

13406737 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13366336 + 40401 = 3656^2 + 201^2 .

It is an emirp because it is prime and its reverse (73760431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13406737 - 2²³ = 5018129 is a prime.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 13406699 and 13406708.

It is not a weakly prime, because it can be changed into another prime (13406777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6703368 + 6703369.

It is an arithmetic number, because the mean of its divisors is an integer number (6703369).

Almost surely, 2^13406737 is an apocalyptic number.

It is an amenable number.

13406737 is a deficient number, since it is larger than the sum of its proper divisors (1).

13406737 is an equidigital number, since it uses as much as digits as its factorization.

13406737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 13406737 is about 3661.5211319887. The cubic root of 13406737 is about 237.5605725464.

The spelling of 13406737 in words is "thirteen million, four hundred six thousand, seven hundred thirty-seven".