13400212 has 12 divisors (see below), whose sum is σ = 26800480. Its totient is φ = 5742936.

The previous prime is 13400209. The next prime is 13400227. The reversal of 13400212 is 21200431.

13400212 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 13400192 and 13400201.

It is a congruent number.

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, 239262 + ... + 239317.

Almost surely, 2^13400212 is an apocalyptic number.

It is an amenable number.

13400212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13400212 is a wasteful number, since it uses less digits than its factorization.

13400212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478590 (or 478588 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 13400212 is about 3660.6300004234. The cubic root of 13400212 is about 237.5220263967.

Adding to 13400212 its reverse (21200431), we get a palindrome (34600643).

The spelling of 13400212 in words is "thirteen million, four hundred thousand, two hundred twelve".