13961984 has 18 divisors (see below), whose sum is σ = 27869940. Its totient is φ = 6980864.

The previous prime is 13961977. The next prime is 13961993. The reversal of 13961984 is 48916931.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27014 + ... + 27525.

It is an arithmetic number, because the mean of its divisors is an integer number (1548330).

Almost surely, 2^13961984 is an apocalyptic number.

It is an amenable number.

13961984 is a deficient number, since it is larger than the sum of its proper divisors (13907956).

13961984 is an frugal number, since it uses more digits than its factorization.

13961984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54555 (or 54541 counting only the distinct ones).

The product of its digits is 46656, while the sum is 41.

The square root of 13961984 is about 3736.5738317341. The cubic root of 13961984 is about 240.7958763546.

The spelling of 13961984 in words is "thirteen million, nine hundred sixty-one thousand, nine hundred eighty-four".