12401830 has 32 divisors (see below), whose sum is σ = 26625024. Its totient is φ = 4066656.

The previous prime is 12401827. The next prime is 12401833. The reversal of 12401830 is 3810421.

It is an interprime number because it is at equal distance from previous prime (12401827) and next prime (12401833).

It is a junction number, because it is equal to n+sod(n) for n = 12401798 and 12401807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12401833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2242 + ... + 5461.

It is an arithmetic number, because the mean of its divisors is an integer number (832032).

Almost surely, 2^12401830 is an apocalyptic number.

12401830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12401830 is an abundant number, since it is smaller than the sum of its proper divisors (14223194).

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

12401830 is a wasteful number, since it uses less digits than its factorization.

12401830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7740.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 12401830 is about 3521.6232052847. The cubic root of 12401830 is about 231.4702911774.

It can be divided in two parts, 12401 and 830, that added together give a palindrome (13231).

The spelling of 12401830 in words is "twelve million, four hundred one thousand, eight hundred thirty".