13268205 has 30 divisors (see below), whose sum is σ = 23916618. Its totient is φ = 7037280.

The previous prime is 13268201. The next prime is 13268231. The reversal of 13268205 is 50286231.

It can be written as a sum of positive squares in 3 ways, for example, as 1633284 + 11634921 = 1278^2 + 3411^2 .

It is not a de Polignac number, because 13268205 - 2² = 13268201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13268201) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 73215 + ... + 73395.

Almost surely, 2^13268205 is an apocalyptic number.

13268205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13268205 is a deficient number, since it is larger than the sum of its proper divisors (10648413).

13268205 is an frugal number, since it uses more digits than its factorization.

13268205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 13268205 is about 3642.5547353472. The cubic root of 13268205 is about 236.7394990635.

Multiplying 13268205 by its product of nonzero digits (2880), we get a square (38212430400 = 195480²).

The spelling of 13268205 in words is "thirteen million, two hundred sixty-eight thousand, two hundred five".