13938212 has 12 divisors (see below), whose sum is σ = 25233180. Its totient is φ = 6728736.

The previous prime is 13938209. The next prime is 13938227. The reversal of 13938212 is 21283931.

It can be written as a sum of positive squares in 2 ways, for example, as 11397376 + 2540836 = 3376^2 + 1594^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

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, 59963 + ... + 60194.

It is an arithmetic number, because the mean of its divisors is an integer number (2102765).

Almost surely, 2^13938212 is an apocalyptic number.

It is an amenable number.

13938212 is a deficient number, since it is larger than the sum of its proper divisors (11294968).

13938212 is a wasteful number, since it uses less digits than its factorization.

13938212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120190 (or 120188 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

The square root of 13938212 is about 3733.3914876423. The cubic root of 13938212 is about 240.6591371594.

The spelling of 13938212 in words is "thirteen million, nine hundred thirty-eight thousand, two hundred twelve".