13208040492 has 12 divisors (see below), whose sum is σ = 30818761176. Its totient is φ = 4402680160.

The previous prime is 13208040473. The next prime is 13208040493. The reversal of 13208040492 is 29404080231.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (13208040493) 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, 550335009 + ... + 550335032.

It is an arithmetic number, because the mean of its divisors is an integer number (2568230098).

Almost surely, 2^13208040492 is an apocalyptic number.

13208040492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13208040492 is an abundant number, since it is smaller than the sum of its proper divisors (17610720684).

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

13208040492 is a wasteful number, since it uses less digits than its factorization.

13208040492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100670048 (or 1100670046 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 13208040492 in words is "thirteen billion, two hundred eight million, forty thousand, four hundred ninety-two".