13426205 has 12 divisors (see below), whose sum is σ = 17447220. Its totient is φ = 9914112.

The previous prime is 13426201. The next prime is 13426207. The reversal of 13426205 is 50262431.

It can be written as a sum of positive squares in 6 ways, for example, as 4414201 + 9012004 = 2101^2 + 3002^2 .

It is not a de Polignac number, because 13426205 - 2² = 13426201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13426201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7100 + ... + 8789.

It is an arithmetic number, because the mean of its divisors is an integer number (1453935).

Almost surely, 2^13426205 is an apocalyptic number.

It is an amenable number.

13426205 is a deficient number, since it is larger than the sum of its proper divisors (4021015).

13426205 is a wasteful number, since it uses less digits than its factorization.

13426205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15920 (or 15907 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 13426205 is about 3664.1786255585. The cubic root of 13426205 is about 237.6755046250.

Adding to 13426205 its reverse (50262431), we get a palindrome (63688636).

It can be divided in two parts, 13426 and 205, that added together give a palindrome (13631).

The spelling of 13426205 in words is "thirteen million, four hundred twenty-six thousand, two hundred five".