13965788 has 6 divisors (see below), whose sum is σ = 24440136. Its totient is φ = 6982892.

The previous prime is 13965781. The next prime is 13965793. The reversal of 13965788 is 88756931.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13965781) 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 as a sum of consecutive naturals, namely, 1745720 + ... + 1745727.

It is an arithmetic number, because the mean of its divisors is an integer number (4073356).

Almost surely, 2^13965788 is an apocalyptic number.

It is an amenable number.

13965788 is a deficient number, since it is larger than the sum of its proper divisors (10474348).

13965788 is a wasteful number, since it uses less digits than its factorization.

13965788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3491451 (or 3491449 counting only the distinct ones).

The product of its digits is 362880, while the sum is 47.

The square root of 13965788 is about 3737.0828195265. The cubic root of 13965788 is about 240.8177429780.

The spelling of 13965788 in words is "thirteen million, nine hundred sixty-five thousand, seven hundred eighty-eight".