13220210 has 8 divisors (see below), whose sum is σ = 23796396. Its totient is φ = 5288080.

The previous prime is 13220191. The next prime is 13220213. The reversal of 13220210 is 1202231.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12967201 + 253009 = 3601^2 + 503^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13220191 and 13220200.

It is not an unprimeable number, because it can be changed into a prime (13220213) 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 3 ways as a sum of consecutive naturals, for example, 661001 + ... + 661020.

Almost surely, 2^13220210 is an apocalyptic number.

13220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13220210 is a deficient number, since it is larger than the sum of its proper divisors (10576186).

13220210 is a wasteful number, since it uses less digits than its factorization.

13220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322028.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 13220210 is about 3635.9606708544. The cubic root of 13220210 is about 236.4537020490.

Adding to 13220210 its reverse (1202231), we get a palindrome (14422441).

The spelling of 13220210 in words is "thirteen million, two hundred twenty thousand, two hundred ten".