14978471 has 4 divisors (see below), whose sum is σ = 15495000. Its totient is φ = 14461944.

The previous prime is 14978461. The next prime is 14978503. The reversal of 14978471 is 17487941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17487941 = 337 ⋅51893.

It is a cyclic number.

It is not a de Polignac number, because 14978471 - 2¹⁰ = 14977447 is a prime.

It is a super-3 number, since 3×14978471³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14978461) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 258221 + ... + 258278.

It is an arithmetic number, because the mean of its divisors is an integer number (3873750).

Almost surely, 2^14978471 is an apocalyptic number.

14978471 is a deficient number, since it is larger than the sum of its proper divisors (516529).

14978471 is an equidigital number, since it uses as much as digits as its factorization.

14978471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516528.

The product of its digits is 56448, while the sum is 41.

The square root of 14978471 is about 3870.2029662538. The cubic root of 14978471 is about 246.5031618733.

The spelling of 14978471 in words is "fourteen million, nine hundred seventy-eight thousand, four hundred seventy-one".