14190987 has 8 divisors (see below), whose sum is σ = 18990736. Its totient is φ = 9425952.

The previous prime is 14190959. The next prime is 14190991. The reversal of 14190987 is 78909141.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14190987 - 2⁶ = 14190923 is a prime.

It is a super-2 number, since 2×14190987² = 402768224068338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14190997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7708 + ... + 9369.

It is an arithmetic number, because the mean of its divisors is an integer number (2373842).

Almost surely, 2^14190987 is an apocalyptic number.

14190987 is a deficient number, since it is larger than the sum of its proper divisors (4799749).

14190987 is a wasteful number, since it uses less digits than its factorization.

14190987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17357.

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 14190987 is about 3767.0926455292. The cubic root of 14190987 is about 242.1052464373.

The spelling of 14190987 in words is "fourteen million, one hundred ninety thousand, nine hundred eighty-seven".