12365420 has 12 divisors (see below), whose sum is σ = 25967424. Its totient is φ = 4946160.

The previous prime is 12365413. The next prime is 12365429. The reversal of 12365420 is 2456321.

It is a super-2 number, since 2×12365420² = 305807223552800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12365429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309116 + ... + 309155.

It is an arithmetic number, because the mean of its divisors is an integer number (2163952).

Almost surely, 2^12365420 is an apocalyptic number.

12365420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12365420 is an abundant number, since it is smaller than the sum of its proper divisors (13602004).

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

12365420 is a wasteful number, since it uses less digits than its factorization.

12365420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618280 (or 618278 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 12365420 is about 3516.4499143312. The cubic root of 12365420 is about 231.2435479086.

Subtracting from 12365420 its reverse (2456321), we obtain a palindrome (9909099).

The spelling of 12365420 in words is "twelve million, three hundred sixty-five thousand, four hundred twenty".