13402244 has 24 divisors (see below), whose sum is σ = 24385536. Its totient is φ = 6440000.

The previous prime is 13402237. The next prime is 13402247. The reversal of 13402244 is 44220431.

It is not an unprimeable number, because it can be changed into a prime (13402247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11069 + ... + 12219.

It is an arithmetic number, because the mean of its divisors is an integer number (1016064).

Almost surely, 2^13402244 is an apocalyptic number.

It is an amenable number.

13402244 is a deficient number, since it is larger than the sum of its proper divisors (10983292).

13402244 is a wasteful number, since it uses less digits than its factorization.

13402244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267 (or 1265 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 13402244 is about 3660.9075377562. The cubic root of 13402244 is about 237.5340316884.

Adding to 13402244 its reverse (44220431), we get a palindrome (57622675).

The spelling of 13402244 in words is "thirteen million, four hundred two thousand, two hundred forty-four".