13940512 has 12 divisors (see below), whose sum is σ = 27445446. Its totient is φ = 6970240.

The previous prime is 13940497. The next prime is 13940519. The reversal of 13940512 is 21504931.

It can be written as a sum of positive squares in only one way, i.e., 10995856 + 2944656 = 3316^2 + 1716^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (13940519) 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 as a sum of consecutive naturals, namely, 217789 + ... + 217852.

Almost surely, 2^13940512 is an apocalyptic number.

It is an amenable number.

13940512 is a deficient number, since it is larger than the sum of its proper divisors (13504934).

13940512 is an equidigital number, since it uses as much as digits as its factorization.

13940512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435651 (or 435643 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 13940512 is about 3733.6995058521. The cubic root of 13940512 is about 240.6723738063.

The spelling of 13940512 in words is "thirteen million, nine hundred forty thousand, five hundred twelve".