13914647 has 2 divisors, whose sum is σ = 13914648. Its totient is φ = 13914646.

The previous prime is 13914643. The next prime is 13914683. The reversal of 13914647 is 74641931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13914647 - 2² = 13914643 is a prime.

It is a super-2 number, since 2×13914647² = 387234802269218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13914643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6957323 + 6957324.

It is an arithmetic number, because the mean of its divisors is an integer number (6957324).

Almost surely, 2^13914647 is an apocalyptic number.

13914647 is a deficient number, since it is larger than the sum of its proper divisors (1).

13914647 is an equidigital number, since it uses as much as digits as its factorization.

13914647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 35.

The square root of 13914647 is about 3730.2341749547. The cubic root of 13914647 is about 240.5234351150.

The spelling of 13914647 in words is "thirteen million, nine hundred fourteen thousand, six hundred forty-seven".