14688428 has 6 divisors (see below), whose sum is σ = 25704756. Its totient is φ = 7344212.

The previous prime is 14688397. The next prime is 14688461. The reversal of 14688428 is 82488641.

It is a super-2 number, since 2×14688428² = 431499834222368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1836050 + ... + 1836057.

It is an arithmetic number, because the mean of its divisors is an integer number (4284126).

Almost surely, 2^14688428 is an apocalyptic number.

It is an amenable number.

14688428 is a deficient number, since it is larger than the sum of its proper divisors (11016328).

14688428 is a wasteful number, since it uses less digits than its factorization.

14688428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3672111 (or 3672109 counting only the distinct ones).

The product of its digits is 98304, while the sum is 41.

The square root of 14688428 is about 3832.5484993670. The cubic root of 14688428 is about 244.9016848343.

The spelling of 14688428 in words is "fourteen million, six hundred eighty-eight thousand, four hundred twenty-eight".