12530037406 has 16 divisors (see below), whose sum is σ = 19034935920. Its totient is φ = 6185557440.

The previous prime is 12530037397. The next prime is 12530037409. The reversal of 12530037406 is 60473003521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12530037409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74191 + ... + 174826.

It is an arithmetic number, because the mean of its divisors is an integer number (1189683495).

Almost surely, 2^12530037406 is an apocalyptic number.

12530037406 is a deficient number, since it is larger than the sum of its proper divisors (6504898514).

12530037406 is a wasteful number, since it uses less digits than its factorization.

12530037406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249339.

The product of its (nonzero) digits is 15120, while the sum is 31.

The spelling of 12530037406 in words is "twelve billion, five hundred thirty million, thirty-seven thousand, four hundred six".