12487007534 has 16 divisors (see below), whose sum is σ = 18812724336. Its totient is φ = 6216120000.

The previous prime is 12487007509. The next prime is 12487007539. The reversal of 12487007534 is 43570078421.

It is a super-2 number, since 2×12487007534² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12487007491 and 12487007500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12487007539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2234624 + ... + 2240204.

It is an arithmetic number, because the mean of its divisors is an integer number (1175795271).

Almost surely, 2^12487007534 is an apocalyptic number.

12487007534 is a deficient number, since it is larger than the sum of its proper divisors (6325716802).

12487007534 is a wasteful number, since it uses less digits than its factorization.

12487007534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10291.

The product of its (nonzero) digits is 188160, while the sum is 41.

The spelling of 12487007534 in words is "twelve billion, four hundred eighty-seven million, seven thousand, five hundred thirty-four".