13273680 has 80 divisors (see below), whose sum is σ = 47032704. Its totient is φ = 3033600.

The previous prime is 13273669. The next prime is 13273697. The reversal of 13273680 is 8637231.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2271 + ... + 5630.

Almost surely, 2^13273680 is an apocalyptic number.

13273680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13273680 is an abundant number, since it is smaller than the sum of its proper divisors (33759024).

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

13273680 is a wasteful number, since it uses less digits than its factorization.

13273680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7924 (or 7918 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 13273680 is about 3643.3061908108. The cubic root of 13273680 is about 236.7720573615.

The spelling of 13273680 in words is "thirteen million, two hundred seventy-three thousand, six hundred eighty".