13442205 has 16 divisors (see below), whose sum is σ = 24580224. Its totient is φ = 6144960.

The previous prime is 13442201. The next prime is 13442237. The reversal of 13442205 is 50224431.

It is not a de Polignac number, because 13442205 - 2² = 13442201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13442201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63906 + ... + 64115.

It is an arithmetic number, because the mean of its divisors is an integer number (1536264).

Almost surely, 2^13442205 is an apocalyptic number.

13442205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13442205 is a deficient number, since it is larger than the sum of its proper divisors (11138019).

13442205 is a wasteful number, since it uses less digits than its factorization.

13442205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128036.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 13442205 is about 3666.3612751610. The cubic root of 13442205 is about 237.7698797288.

Adding to 13442205 its reverse (50224431), we get a palindrome (63666636).

The spelling of 13442205 in words is "thirteen million, four hundred forty-two thousand, two hundred five".