12430340 has 24 divisors (see below), whose sum is σ = 28112280. Its totient is φ = 4589568.

The previous prime is 12430337. The next prime is 12430343. The reversal of 12430340 is 4303421.

12430340 = T₄₃₆ + T₄₃₇ + ... + T₅₃₉.

It is an interprime number because it is at equal distance from previous prime (12430337) and next prime (12430343).

It can be written as a sum of positive squares in 4 ways, for example, as 264196 + 12166144 = 514^2 + 3488^2 .

It is not an unprimeable number, because it can be changed into a prime (12430343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23645 + ... + 24164.

It is an arithmetic number, because the mean of its divisors is an integer number (1171345).

Almost surely, 2^12430340 is an apocalyptic number.

12430340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12430340 is an abundant number, since it is smaller than the sum of its proper divisors (15681940).

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

12430340 is a wasteful number, since it uses less digits than its factorization.

12430340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47831 (or 47829 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 12430340 is about 3525.6687308935. The cubic root of 12430340 is about 231.6475275898.

Adding to 12430340 its reverse (4303421), we get a palindrome (16733761).

The spelling of 12430340 in words is "twelve million, four hundred thirty thousand, three hundred forty".