12345407634 has 16 divisors (see below), whose sum is σ = 28218074688. Its totient is φ = 3527259312.

The previous prime is 12345407563. The next prime is 12345407639. The reversal of 12345407634 is 43670454321.

It is a junction number, because it is equal to n+sod(n) for n = 12345407592 and 12345407601.

It is not an unprimeable number, because it can be changed into a prime (12345407639) 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, 146969097 + ... + 146969180.

It is an arithmetic number, because the mean of its divisors is an integer number (1763629668).

Almost surely, 2^12345407634 is an apocalyptic number.

12345407634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12345407634 is an abundant number, since it is smaller than the sum of its proper divisors (15872667054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12345407634 is a wasteful number, since it uses less digits than its factorization.

12345407634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293938289.

The product of its (nonzero) digits is 241920, while the sum is 39.

The spelling of 12345407634 in words is "twelve billion, three hundred forty-five million, four hundred seven thousand, six hundred thirty-four".