12702220 has 24 divisors (see below), whose sum is σ = 27244224. Its totient is φ = 4972416.

The previous prime is 12702199. The next prime is 12702223. The reversal of 12702220 is 2220721.

It is a super-2 number, since 2×12702220² = 322692785856800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12702194 and 12702203.

It is not an unprimeable number, because it can be changed into a prime (12702223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5817 + ... + 7696.

It is an arithmetic number, because the mean of its divisors is an integer number (1135176).

Almost surely, 2^12702220 is an apocalyptic number.

12702220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12702220 is an abundant number, since it is smaller than the sum of its proper divisors (14542004).

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

12702220 is a wasteful number, since it uses less digits than its factorization.

12702220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13569 (or 13567 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 12702220 is about 3564.0173961416. The cubic root of 12702220 is about 233.3242490794.

Adding to 12702220 its reverse (2220721), we get a palindrome (14922941).

The spelling of 12702220 in words is "twelve million, seven hundred two thousand, two hundred twenty".