12413820 has 24 divisors (see below), whose sum is σ = 34758864. Its totient is φ = 3310336.

The previous prime is 12413803. The next prime is 12413831. The reversal of 12413820 is 2831421.

It is a congruent number.

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, 103389 + ... + 103508.

It is an arithmetic number, because the mean of its divisors is an integer number (1448286).

Almost surely, 2^12413820 is an apocalyptic number.

12413820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12413820 is an abundant number, since it is smaller than the sum of its proper divisors (22345044).

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

12413820 is a wasteful number, since it uses less digits than its factorization.

12413820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206909 (or 206907 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 12413820 is about 3523.3251340176. The cubic root of 12413820 is about 231.5448617550.

The spelling of 12413820 in words is "twelve million, four hundred thirteen thousand, eight hundred twenty".