13705427 has 2 divisors, whose sum is σ = 13705428. Its totient is φ = 13705426.

The previous prime is 13705423. The next prime is 13705457. The reversal of 13705427 is 72450731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13705427 - 2² = 13705423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13705427.

It is not a weakly prime, because it can be changed into another prime (13705423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6852713 + 6852714.

It is an arithmetic number, because the mean of its divisors is an integer number (6852714).

Almost surely, 2^13705427 is an apocalyptic number.

13705427 is a deficient number, since it is larger than the sum of its proper divisors (1).

13705427 is an equidigital number, since it uses as much as digits as its factorization.

13705427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 13705427 is about 3702.0841427499. The cubic root of 13705427 is about 239.3118423728.

The spelling of 13705427 in words is "thirteen million, seven hundred five thousand, four hundred twenty-seven".