14978475 has 18 divisors (see below), whose sum is σ = 26828516. Its totient is φ = 7988400.

The previous prime is 14978461. The next prime is 14978503. The reversal of 14978475 is 57487941.

It is a happy number.

It is not a de Polignac number, because 14978475 - 2¹³ = 14970283 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14978475.

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 in 17 ways as a sum of consecutive naturals, for example, 33061 + ... + 33510.

Almost surely, 2^14978475 is an apocalyptic number.

14978475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

14978475 is a deficient number, since it is larger than the sum of its proper divisors (11850041).

14978475 is a wasteful number, since it uses less digits than its factorization.

14978475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66587 (or 66579 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 14978475 is about 3870.2034830226. The cubic root of 14978475 is about 246.5031838162.

The spelling of 14978475 in words is "fourteen million, nine hundred seventy-eight thousand, four hundred seventy-five".