13270545 has 24 divisors (see below), whose sum is σ = 23797800. Its totient is φ = 6832896.

The previous prime is 13270541. The next prime is 13270547. The reversal of 13270545 is 54507231.

It is a happy number.

13270545 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4198401 + 9072144 = 2049^2 + 3012^2 .

It is not a de Polignac number, because 13270545 - 2² = 13270541 is a prime.

It is a super-2 number, since 2×13270545² = 352214729194050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13270541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3780 + ... + 6389.

It is an arithmetic number, because the mean of its divisors is an integer number (991575).

Almost surely, 2^13270545 is an apocalyptic number.

13270545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13270545 is a deficient number, since it is larger than the sum of its proper divisors (10527255).

13270545 is a wasteful number, since it uses less digits than its factorization.

13270545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10209 (or 10206 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 13270545 is about 3642.8759243213. The cubic root of 13270545 is about 236.7534154866.

Adding to 13270545 its reverse (54507231), we get a palindrome (67777776).

The spelling of 13270545 in words is "thirteen million, two hundred seventy thousand, five hundred forty-five".