12400130 has 8 divisors (see below), whose sum is σ = 22320252. Its totient is φ = 4960048.

The previous prime is 12400127. The next prime is 12400169. The reversal of 12400130 is 3100421.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11282881 + 1117249 = 3359^2 + 1057^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 619997 + ... + 620016.

Almost surely, 2^12400130 is an apocalyptic number.

12400130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12400130 is a deficient number, since it is larger than the sum of its proper divisors (9920122).

12400130 is a wasteful number, since it uses less digits than its factorization.

12400130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240020.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 12400130 is about 3521.3818310430. The cubic root of 12400130 is about 231.4597143115.

Adding to 12400130 its reverse (3100421), we get a palindrome (15500551).

The spelling of 12400130 in words is "twelve million, four hundred thousand, one hundred thirty".