13451680 has 48 divisors (see below), whose sum is σ = 34673184. Its totient is φ = 4890880.

The previous prime is 13451663. The next prime is 13451693. The reversal of 13451680 is 8615431.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2062 + ... + 5581.

It is an arithmetic number, because the mean of its divisors is an integer number (722358).

Almost surely, 2^13451680 is an apocalyptic number.

13451680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13451680 is an abundant number, since it is smaller than the sum of its proper divisors (21221504).

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

13451680 is a wasteful number, since it uses less digits than its factorization.

13451680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7669 (or 7661 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 13451680 is about 3667.6532006175. The cubic root of 13451680 is about 237.8257321848.

It can be divided in two parts, 1345 and 1680, that added together give a square (3025 = 55²).

The spelling of 13451680 in words is "thirteen million, four hundred fifty-one thousand, six hundred eighty".