12260420 has 24 divisors (see below), whose sum is σ = 26296704. Its totient is φ = 4799456.

The previous prime is 12260419. The next prime is 12260447. The reversal of 12260420 is 2406221.

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, 5582 + ... + 7461.

It is an arithmetic number, because the mean of its divisors is an integer number (1095696).

Almost surely, 2^12260420 is an apocalyptic number.

12260420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12260420 is an abundant number, since it is smaller than the sum of its proper divisors (14036284).

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

12260420 is a wasteful number, since it uses less digits than its factorization.

12260420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13099 (or 13097 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 12260420 is about 3501.4882550139. The cubic root of 12260420 is about 230.5871576386.

Adding to 12260420 its reverse (2406221), we get a palindrome (14666641).

The spelling of 12260420 in words is "twelve million, two hundred sixty thousand, four hundred twenty".