13964788 has 6 divisors (see below), whose sum is σ = 24438386. Its totient is φ = 6982392.

The previous prime is 13964779. The next prime is 13964807. The reversal of 13964788 is 88746931.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12759184 + 1205604 = 3572^2 + 1098^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 1745595 + ... + 1745602.

Almost surely, 2^13964788 is an apocalyptic number.

It is an amenable number.

13964788 is a deficient number, since it is larger than the sum of its proper divisors (10473598).

13964788 is a wasteful number, since it uses less digits than its factorization.

13964788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3491201 (or 3491199 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The square root of 13964788 is about 3736.9490229330. The cubic root of 13964788 is about 240.8119950390.

The spelling of 13964788 in words is "thirteen million, nine hundred sixty-four thousand, seven hundred eighty-eight".