12400510 has 16 divisors (see below), whose sum is σ = 22628016. Its totient is φ = 4891968.

The previous prime is 12400489. The next prime is 12400511. The reversal of 12400510 is 1500421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12400511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7764 + ... + 9223.

It is an arithmetic number, because the mean of its divisors is an integer number (1414251).

Almost surely, 2^12400510 is an apocalyptic number.

12400510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12400510 is a deficient number, since it is larger than the sum of its proper divisors (10227506).

12400510 is a wasteful number, since it uses less digits than its factorization.

12400510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17067.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 12400510 is about 3521.4357867211. The cubic root of 12400510 is about 231.4620786360.

Adding to 12400510 its reverse (1500421), we get a palindrome (13900931).

The spelling of 12400510 in words is "twelve million, four hundred thousand, five hundred ten".