14611987 has 4 divisors (see below), whose sum is σ = 15736000. Its totient is φ = 13487976.

The previous prime is 14611981. The next prime is 14611997. The reversal of 14611987 is 78911641.

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 14611987 - 2³ = 14611979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14611981) 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, 561987 + ... + 562012.

It is an arithmetic number, because the mean of its divisors is an integer number (3934000).

Almost surely, 2^14611987 is an apocalyptic number.

14611987 is a deficient number, since it is larger than the sum of its proper divisors (1124013).

14611987 is a wasteful number, since it uses less digits than its factorization.

14611987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124012.

The product of its digits is 12096, while the sum is 37.

The square root of 14611987 is about 3822.5628837208. The cubic root of 14611987 is about 244.4761094808.

The spelling of 14611987 in words is "fourteen million, six hundred eleven thousand, nine hundred eighty-seven".