14172487 has 16 divisors (see below), whose sum is σ = 16850944. Its totient is φ = 11664000.

The previous prime is 14172479. The next prime is 14172493. The reversal of 14172487 is 78427141.

It is a Cunningham number, because it is equal to 242³-1.

It is a cyclic number.

It is not a de Polignac number, because 14172487 - 2³ = 14172479 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14172287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52162 + ... + 52432.

It is an arithmetic number, because the mean of its divisors is an integer number (1053184).

Almost surely, 2^14172487 is an apocalyptic number.

14172487 is a deficient number, since it is larger than the sum of its proper divisors (2678457).

14172487 is a wasteful number, since it uses less digits than its factorization.

14172487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550.

The product of its digits is 12544, while the sum is 34.

The square root of 14172487 is about 3764.6363702222. The cubic root of 14172487 is about 241.9999943082. Note that the first 5 decimals are identical.

The spelling of 14172487 in words is "fourteen million, one hundred seventy-two thousand, four hundred eighty-seven".