13773120 has 56 divisors (see below), whose sum is σ = 43732704. Its totient is φ = 3672576.

The previous prime is 13773107. The next prime is 13773169. The reversal of 13773120 is 2137731.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 6214 + ... + 8133.

Almost surely, 2^13773120 is an apocalyptic number.

13773120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13773120 is an abundant number, since it is smaller than the sum of its proper divisors (29959584).

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

13773120 is a wasteful number, since it uses less digits than its factorization.

13773120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14367 (or 14357 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 24.

The square root of 13773120 is about 3711.2154343288. The cubic root of 13773120 is about 239.7051935754.

The spelling of 13773120 in words is "thirteen million, seven hundred seventy-three thousand, one hundred twenty".