12417020 has 72 divisors (see below), whose sum is σ = 32800992. Its totient is φ = 3864960.

The previous prime is 12417007. The next prime is 12417037. The reversal of 12417020 is 2071421.

It is a self number, because there is not a number n which added to its sum of digits gives 12417020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16574 + ... + 17306.

Almost surely, 2^12417020 is an apocalyptic number.

12417020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12417020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16400496).

12417020 is an abundant number, since it is smaller than the sum of its proper divisors (20383972).

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

12417020 is a wasteful number, since it uses less digits than its factorization.

12417020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771 (or 758 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 12417020 is about 3523.7792212339. The cubic root of 12417020 is about 231.5647557093.

Adding to 12417020 its reverse (2071421), we get a palindrome (14488441).

The spelling of 12417020 in words is "twelve million, four hundred seventeen thousand, twenty".