13065406500 has 48 divisors (see below), whose sum is σ = 38046468096. Its totient is φ = 3484108000.

The previous prime is 13065406493. The next prime is 13065406507. The reversal of 13065406500 is 560456031.

It is an interprime number because it is at equal distance from previous prime (13065406493) and next prime (13065406507).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (13065406507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4353636 + ... + 4356635.

It is an arithmetic number, because the mean of its divisors is an integer number (792634752).

Almost surely, 2^13065406500 is an apocalyptic number.

13065406500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13065406500 is an abundant number, since it is smaller than the sum of its proper divisors (24981061596).

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

13065406500 is a wasteful number, since it uses less digits than its factorization.

13065406500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8710293 (or 8710281 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 13065406500 in words is "thirteen billion, sixty-five million, four hundred six thousand, five hundred".