14807638 has 4 divisors (see below), whose sum is σ = 22211460. Its totient is φ = 7403818.

The previous prime is 14807621. The next prime is 14807641. The reversal of 14807638 is 83670841.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×14807638² = 438532286278088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14807597 and 14807606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3701908 + ... + 3701911.

It is an arithmetic number, because the mean of its divisors is an integer number (5552865).

Almost surely, 2^14807638 is an apocalyptic number.

14807638 is a deficient number, since it is larger than the sum of its proper divisors (7403822).

14807638 is an equidigital number, since it uses as much as digits as its factorization.

14807638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7403821.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 14807638 is about 3848.0693860688. The cubic root of 14807638 is about 245.5624340857.

The spelling of 14807638 in words is "fourteen million, eight hundred seven thousand, six hundred thirty-eight".