12013430 has 64 divisors (see below), whose sum is σ = 26320896. Its totient is φ = 3888000.

The previous prime is 12013427. The next prime is 12013433. The reversal of 12013430 is 3431021.

It is an interprime number because it is at equal distance from previous prime (12013427) and next prime (12013433).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44195 + ... + 44465.

It is an arithmetic number, because the mean of its divisors is an integer number (411264).

Almost surely, 2^12013430 is an apocalyptic number.

12013430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12013430 is an abundant number, since it is smaller than the sum of its proper divisors (14307466).

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

12013430 is a wasteful number, since it uses less digits than its factorization.

12013430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 12013430 is about 3466.0395266067. The cubic root of 12013430 is about 229.0282250699.

Adding to 12013430 its reverse (3431021), we get a palindrome (15444451).

The spelling of 12013430 in words is "twelve million, thirteen thousand, four hundred thirty".