13705069 has 16 divisors (see below), whose sum is σ = 16321536. Its totient is φ = 11260800.

The previous prime is 13705067. The next prime is 13705073. The reversal of 13705069 is 96050731.

It is a cyclic number.

It is not a de Polignac number, because 13705069 - 2¹ = 13705067 is a prime.

It is a super-2 number, since 2×13705069² = 375657832589522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a self number, because there is not a number n which added to its sum of digits gives 13705069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13705067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29499 + ... + 29959.

It is an arithmetic number, because the mean of its divisors is an integer number (1020096).

Almost surely, 2^13705069 is an apocalyptic number.

It is an amenable number.

13705069 is a deficient number, since it is larger than the sum of its proper divisors (2616467).

13705069 is a wasteful number, since it uses less digits than its factorization.

13705069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 13705069 is about 3702.0357912911. The cubic root of 13705069 is about 239.3097586633.

The spelling of 13705069 in words is "thirteen million, seven hundred five thousand, sixty-nine".