13056906642 has 16 divisors (see below), whose sum is σ = 28122568320. Its totient is φ = 4017509712.

The previous prime is 13056906641. The next prime is 13056906659. The reversal of 13056906642 is 24660965031.

It is a super-2 number, since 2×13056906642² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13056906594 and 13056906603.

It is not an unprimeable number, because it can be changed into a prime (13056906641) 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, 83698042 + ... + 83698197.

It is an arithmetic number, because the mean of its divisors is an integer number (1757660520).

Almost surely, 2^13056906642 is an apocalyptic number.

13056906642 is an abundant number, since it is smaller than the sum of its proper divisors (15065661678).

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

13056906642 is a wasteful number, since it uses less digits than its factorization.

13056906642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167396257.

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 13056906642 in words is "thirteen billion, fifty-six million, nine hundred six thousand, six hundred forty-two".