14620987 has 4 divisors (see below), whose sum is σ = 14678136. Its totient is φ = 14563840.

The previous prime is 14620979. The next prime is 14621027. The reversal of 14620987 is 78902641.

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 14620987 - 2³ = 14620979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14620087) 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, 28189 + ... + 28702.

It is an arithmetic number, because the mean of its divisors is an integer number (3669534).

Almost surely, 2^14620987 is an apocalyptic number.

14620987 is a deficient number, since it is larger than the sum of its proper divisors (57149).

14620987 is an equidigital number, since it uses as much as digits as its factorization.

14620987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57148.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 14620987 is about 3823.7399231642. The cubic root of 14620987 is about 244.5262927857.

The spelling of 14620987 in words is "fourteen million, six hundred twenty thousand, nine hundred eighty-seven".