13705507 has 2 divisors, whose sum is σ = 13705508. Its totient is φ = 13705506.

The previous prime is 13705469. The next prime is 13705511. The reversal of 13705507 is 70550731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13705507 - 2¹⁵ = 13672739 is a prime.

It is not a weakly prime, because it can be changed into another prime (13705597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6852753 + 6852754.

It is an arithmetic number, because the mean of its divisors is an integer number (6852754).

Almost surely, 2^13705507 is an apocalyptic number.

13705507 is a deficient number, since it is larger than the sum of its proper divisors (1).

13705507 is an equidigital number, since it uses as much as digits as its factorization.

13705507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3675, while the sum is 28.

The square root of 13705507 is about 3702.0949474588. The cubic root of 13705507 is about 239.3123080013.

The spelling of 13705507 in words is "thirteen million, seven hundred five thousand, five hundred seven".