13141220 has 12 divisors (see below), whose sum is σ = 27596604. Its totient is φ = 5256480.

The previous prime is 13141207. The next prime is 13141231. The reversal of 13141220 is 2214131.

It can be written as a sum of positive squares in 2 ways, for example, as 10099684 + 3041536 = 3178^2 + 1744^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13141195 and 13141204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328511 + ... + 328550.

It is an arithmetic number, because the mean of its divisors is an integer number (2299717).

Almost surely, 2^13141220 is an apocalyptic number.

13141220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13141220 is an abundant number, since it is smaller than the sum of its proper divisors (14455384).

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

13141220 is a wasteful number, since it uses less digits than its factorization.

13141220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657070 (or 657068 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 13141220 is about 3625.0820680365. The cubic root of 13141220 is about 235.9818285348.

Adding to 13141220 its reverse (2214131), we get a palindrome (15355351).

The spelling of 13141220 in words is "thirteen million, one hundred forty-one thousand, two hundred twenty".