12610220 has 24 divisors (see below), whose sum is σ = 30264864. Its totient is φ = 4323456.

The previous prime is 12610207. The next prime is 12610231. The reversal of 12610220 is 2201621.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 12610195 and 12610204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44897 + ... + 45176.

It is an arithmetic number, because the mean of its divisors is an integer number (1261036).

Almost surely, 2^12610220 is an apocalyptic number.

12610220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12610220 is an abundant number, since it is smaller than the sum of its proper divisors (17654644).

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

12610220 is a wasteful number, since it uses less digits than its factorization.

12610220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90089 (or 90087 counting only the distinct ones).

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

The square root of 12610220 is about 3551.0871574773. The cubic root of 12610220 is about 232.7595744293.

Adding to 12610220 its reverse (2201621), we get a palindrome (14811841).

The spelling of 12610220 in words is "twelve million, six hundred ten thousand, two hundred twenty".