14987749 has 8 divisors (see below), whose sum is σ = 17232768. Its totient is φ = 12768720.

The previous prime is 14987741. The next prime is 14987759. The reversal of 14987749 is 94778941.

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

It is a cyclic number.

It is not a de Polignac number, because 14987749 - 2³ = 14987741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14987741) 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, 5242 + ... + 7579.

It is an arithmetic number, because the mean of its divisors is an integer number (2154096).

Almost surely, 2^14987749 is an apocalyptic number.

It is an amenable number.

14987749 is a deficient number, since it is larger than the sum of its proper divisors (2245019).

14987749 is a wasteful number, since it uses less digits than its factorization.

14987749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12995.

The product of its digits is 508032, while the sum is 49.

The square root of 14987749 is about 3871.4014258405. The cubic root of 14987749 is about 246.5540478923.

The spelling of 14987749 in words is "fourteen million, nine hundred eighty-seven thousand, seven hundred forty-nine".