13942988 has 12 divisors (see below), whose sum is σ = 24427200. Its totient is φ = 6963792.

The previous prime is 13942987. The next prime is 13943029. The reversal of 13942988 is 88924931.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13942987) 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, 4613 + ... + 7011.

It is an arithmetic number, because the mean of its divisors is an integer number (2035600).

Almost surely, 2^13942988 is an apocalyptic number.

It is an amenable number.

13942988 is a deficient number, since it is larger than the sum of its proper divisors (10484212).

13942988 is a wasteful number, since it uses less digits than its factorization.

13942988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3856 (or 3854 counting only the distinct ones).

The product of its digits is 124416, while the sum is 44.

The square root of 13942988 is about 3734.0310657519. The cubic root of 13942988 is about 240.6866217172.

The spelling of 13942988 in words is "thirteen million, nine hundred forty-two thousand, nine hundred eighty-eight".