14426647 has 4 divisors (see below), whose sum is σ = 14440896. Its totient is φ = 14412400.

The previous prime is 14426639. The next prime is 14426651. The reversal of 14426647 is 74662441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74662441 = 7 ⋅10666063.

It is a cyclic number.

It is not a de Polignac number, because 14426647 - 2³ = 14426639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14426677) 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 in 3 ways as a sum of consecutive naturals, for example, 5479 + ... + 7672.

It is an arithmetic number, because the mean of its divisors is an integer number (3610224).

Almost surely, 2^14426647 is an apocalyptic number.

14426647 is a deficient number, since it is larger than the sum of its proper divisors (14249).

14426647 is a wasteful number, since it uses less digits than its factorization.

14426647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14248.

The product of its digits is 32256, while the sum is 34.

The square root of 14426647 is about 3798.2426199494. The cubic root of 14426647 is about 243.4380544232.

The spelling of 14426647 in words is "fourteen million, four hundred twenty-six thousand, six hundred forty-seven".