14121487 has 4 divisors (see below), whose sum is σ = 14300320. Its totient is φ = 13942656.

The previous prime is 14121469. The next prime is 14121491. The reversal of 14121487 is 78412141.

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

It is a cyclic number.

It is not a de Polignac number, because 14121487 - 2¹¹ = 14119439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14121787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89298 + ... + 89455.

It is an arithmetic number, because the mean of its divisors is an integer number (3575080).

Almost surely, 2^14121487 is an apocalyptic number.

14121487 is a deficient number, since it is larger than the sum of its proper divisors (178833).

14121487 is an equidigital number, since it uses as much as digits as its factorization.

14121487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178832.

The product of its digits is 1792, while the sum is 28.

The square root of 14121487 is about 3757.8567029625. The cubic root of 14121487 is about 241.7093646844.

The spelling of 14121487 in words is "fourteen million, one hundred twenty-one thousand, four hundred eighty-seven".