13476640 has 24 divisors (see below), whose sum is σ = 31838940. Its totient is φ = 5390592.

The previous prime is 13476629. The next prime is 13476641. The reversal of 13476640 is 4667431.

It can be written as a sum of positive squares in 2 ways, for example, as 12027024 + 1449616 = 3468^2 + 1204^2 .

It is not an unprimeable number, because it can be changed into a prime (13476641) 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, 41955 + ... + 42274.

Almost surely, 2^13476640 is an apocalyptic number.

13476640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13476640 is an abundant number, since it is smaller than the sum of its proper divisors (18362300).

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

13476640 is an equidigital number, since it uses as much as digits as its factorization.

13476640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84244 (or 84236 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 13476640 is about 3671.0543444629. The cubic root of 13476640 is about 237.9727389156.

The spelling of 13476640 in words is "thirteen million, four hundred seventy-six thousand, six hundred forty".