13279695660 has 480 divisors, whose sum is σ = 53743979520. Its totient is φ = 2663539200.

The previous prime is 13279695643. The next prime is 13279695677. The reversal of 13279695660 is 6659697231.

13279695660 is a `hidden beast` number, since 1 + 3 + 2 + 79 + 6 + 9 + 566 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (13279695643) and next prime (13279695677).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 13279695597 and 13279695606.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 3615625 + ... + 3619295.

It is an arithmetic number, because the mean of its divisors is an integer number (111966624).

Almost surely, 2^13279695660 is an apocalyptic number.

13279695660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13279695660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26871989760).

13279695660 is an abundant number, since it is smaller than the sum of its proper divisors (40464283860).

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

13279695660 is a wasteful number, since it uses less digits than its factorization.

13279695660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3739 (or 3728 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 54.

The spelling of 13279695660 in words is "thirteen billion, two hundred seventy-nine million, six hundred ninety-five thousand, six hundred sixty".