13987602 has 24 divisors (see below), whose sum is σ = 30822480. Its totient is φ = 4583160.

The previous prime is 13987579. The next prime is 13987613. The reversal of 13987602 is 20678931.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 5524 + ... + 7647.

It is an arithmetic number, because the mean of its divisors is an integer number (1284270).

Almost surely, 2^13987602 is an apocalyptic number.

13987602 is an abundant number, since it is smaller than the sum of its proper divisors (16834878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13987602 is a wasteful number, since it uses less digits than its factorization.

13987602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13238 (or 13235 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 13987602 is about 3740.0002673797. Note that the first 3 decimals coincide. The cubic root of 13987602 is about 240.9430603016.

The spelling of 13987602 in words is "thirteen million, nine hundred eighty-seven thousand, six hundred two".