13645122 has 16 divisors (see below), whose sum is σ = 27475200. Its totient is φ = 4517552.

The previous prime is 13645057. The next prime is 13645127. The reversal of 13645122 is 22154631.

It is a junction number, because it is equal to n+sod(n) for n = 13645092 and 13645101.

It is not an unprimeable number, because it can be changed into a prime (13645127) 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, 6738 + ... + 8525.

It is an arithmetic number, because the mean of its divisors is an integer number (1717200).

Almost surely, 2^13645122 is an apocalyptic number.

13645122 is an abundant number, since it is smaller than the sum of its proper divisors (13830078).

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

13645122 is a wasteful number, since it uses less digits than its factorization.

13645122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15417.

The product of its digits is 1440, while the sum is 24.

The square root of 13645122 is about 3693.9304270655. The cubic root of 13645122 is about 238.9603290772.

Adding to 13645122 its reverse (22154631), we get a palindrome (35799753).

The spelling of 13645122 in words is "thirteen million, six hundred forty-five thousand, one hundred twenty-two".