13447122 has 16 divisors (see below), whose sum is σ = 28963200. Its totient is φ = 4137552.

The previous prime is 13447121. The next prime is 13447127. The reversal of 13447122 is 22174431.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13447092 and 13447101.

It is not an unprimeable number, because it can be changed into a prime (13447121) 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, 86122 + ... + 86277.

It is an arithmetic number, because the mean of its divisors is an integer number (1810200).

Almost surely, 2^13447122 is an apocalyptic number.

13447122 is an abundant number, since it is smaller than the sum of its proper divisors (15516078).

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

13447122 is a wasteful number, since it uses less digits than its factorization.

13447122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172417.

The product of its digits is 1344, while the sum is 24.

The square root of 13447122 is about 3667.0317697015. The cubic root of 13447122 is about 237.7988673336.

The spelling of 13447122 in words is "thirteen million, four hundred forty-seven thousand, one hundred twenty-two".