13966436 has 12 divisors (see below), whose sum is σ = 26663280. Its totient is φ = 6348360.

The previous prime is 13966423. The next prime is 13966439. The reversal of 13966436 is 63466931.

It is a super-2 number, since 2×13966436² = 390122669084192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13966436.

It is not an unprimeable number, because it can be changed into a prime (13966439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158666 + ... + 158753.

It is an arithmetic number, because the mean of its divisors is an integer number (2221940).

Almost surely, 2^13966436 is an apocalyptic number.

It is an amenable number.

13966436 is a deficient number, since it is larger than the sum of its proper divisors (12696844).

13966436 is a wasteful number, since it uses less digits than its factorization.

13966436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317434 (or 317432 counting only the distinct ones).

The product of its digits is 69984, while the sum is 38.

The square root of 13966436 is about 3737.1695171614. The cubic root of 13966436 is about 240.8214674959.

The spelling of 13966436 in words is "thirteen million, nine hundred sixty-six thousand, four hundred thirty-six".