13400122 has 16 divisors (see below), whose sum is σ = 21652992. Its totient is φ = 6201360.

The previous prime is 13400089. The next prime is 13400129. The reversal of 13400122 is 22100431.

13400122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13400122² = 359126539229768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13400129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3273 + ... + 6124.

It is an arithmetic number, because the mean of its divisors is an integer number (1353312).

Almost surely, 2^13400122 is an apocalyptic number.

13400122 is a deficient number, since it is larger than the sum of its proper divisors (8252870).

13400122 is a wasteful number, since it uses less digits than its factorization.

13400122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9453.

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

The square root of 13400122 is about 3660.6177074368. The cubic root of 13400122 is about 237.5214946382.

Adding to 13400122 its reverse (22100431), we get a palindrome (35500553).

The spelling of 13400122 in words is "thirteen million, four hundred thousand, one hundred twenty-two".