12465907389 has 48 divisors (see below), whose sum is σ = 19891872000. Its totient is φ = 7474239360.

The previous prime is 12465907367. The next prime is 12465907403. The reversal of 12465907389 is 98370956421.

12465907389 is a `hidden beast` number, since 1 + 2 + 46 + 590 + 7 + 3 + 8 + 9 = 666.

It is not a de Polignac number, because 12465907389 - 2⁷ = 12465907261 is a prime.

It is a super-2 number, since 2×12465907389² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12465907789) 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 47 ways as a sum of consecutive naturals, for example, 2165487 + ... + 2171235.

It is an arithmetic number, because the mean of its divisors is an integer number (414414000).

It is a 1-persistent number, because it is pandigital, but 2⋅12465907389 = 24931814778 is not.

Almost surely, 2^12465907389 is an apocalyptic number.

It is an amenable number.

12465907389 is a deficient number, since it is larger than the sum of its proper divisors (7425964611).

12465907389 is a wasteful number, since it uses less digits than its factorization.

12465907389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6242 (or 6239 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 12465907389 in words is "twelve billion, four hundred sixty-five million, nine hundred seven thousand, three hundred eighty-nine".