12263420 has 48 divisors (see below), whose sum is σ = 28068768. Its totient is φ = 4473600.

The previous prime is 12263401. The next prime is 12263423. The reversal of 12263420 is 2436221.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12263392 and 12263401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12263423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26027 + ... + 26493.

It is an arithmetic number, because the mean of its divisors is an integer number (584766).

Almost surely, 2^12263420 is an apocalyptic number.

12263420 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 12263420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14034384).

12263420 is an abundant number, since it is smaller than the sum of its proper divisors (15805348).

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

12263420 is a wasteful number, since it uses less digits than its factorization.

12263420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 12263420 is about 3501.9166180822. The cubic root of 12263420 is about 230.6059635484.

Adding to 12263420 its reverse (2436221), we get a palindrome (14699641).

The spelling of 12263420 in words is "twelve million, two hundred sixty-three thousand, four hundred twenty".