13706427 has 12 divisors (see below), whose sum is σ = 21259176. Its totient is φ = 7832160.

The previous prime is 13706419. The next prime is 13706443. The reversal of 13706427 is 72460731.

13706427 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13706427 - 2³ = 13706419 is a prime.

It is a super-2 number, since 2×13706427² = 375732282212658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13706394 and 13706403.

It is not an unprimeable number, because it can be changed into a prime (13706417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46474 + ... + 46767.

It is an arithmetic number, because the mean of its divisors is an integer number (1771598).

Almost surely, 2^13706427 is an apocalyptic number.

13706427 is a deficient number, since it is larger than the sum of its proper divisors (7552749).

13706427 is an equidigital number, since it uses as much as digits as its factorization.

13706427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93258 (or 93251 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 13706427 is about 3702.2191993452. The cubic root of 13706427 is about 239.3176625982.

The spelling of 13706427 in words is "thirteen million, seven hundred six thousand, four hundred twenty-seven".