12530556734 has 8 divisors (see below), whose sum is σ = 19785089640. Its totient is φ = 5935526856.

The previous prime is 12530556713. The next prime is 12530556737. The reversal of 12530556734 is 43765503521.

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

It is a junction number, because it is equal to n+sod(n) for n = 12530556691 and 12530556700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12530556737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164875709 + ... + 164875784.

It is an arithmetic number, because the mean of its divisors is an integer number (2473136205).

Almost surely, 2^12530556734 is an apocalyptic number.

12530556734 is a deficient number, since it is larger than the sum of its proper divisors (7254532906).

12530556734 is a wasteful number, since it uses less digits than its factorization.

12530556734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329751514.

The product of its (nonzero) digits is 378000, while the sum is 41.

The spelling of 12530556734 in words is "twelve billion, five hundred thirty million, five hundred fifty-six thousand, seven hundred thirty-four".