14649987 has 8 divisors (see below), whose sum is σ = 21309120. Its totient is φ = 8878760.

The previous prime is 14649961. The next prime is 14649991. The reversal of 14649987 is 78994641.

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

It is not a de Polignac number, because 14649987 - 2²³ = 6261379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14649907) 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 7 ways as a sum of consecutive naturals, for example, 221937 + ... + 222002.

It is an arithmetic number, because the mean of its divisors is an integer number (2663640).

Almost surely, 2^14649987 is an apocalyptic number.

14649987 is a deficient number, since it is larger than the sum of its proper divisors (6659133).

14649987 is a wasteful number, since it uses less digits than its factorization.

14649987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443953.

The product of its digits is 435456, while the sum is 48.

The square root of 14649987 is about 3827.5301435782. The cubic root of 14649987 is about 244.6878545932.

The spelling of 14649987 in words is "fourteen million, six hundred forty-nine thousand, nine hundred eighty-seven".