13776790 has 8 divisors (see below), whose sum is σ = 24798240. Its totient is φ = 5510712.

The previous prime is 13776757. The next prime is 13776797. The reversal of 13776790 is 9767731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13776797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 688830 + ... + 688849.

It is an arithmetic number, because the mean of its divisors is an integer number (3099780).

Almost surely, 2^13776790 is an apocalyptic number.

13776790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13776790 is a deficient number, since it is larger than the sum of its proper divisors (11021450).

13776790 is a wasteful number, since it uses less digits than its factorization.

13776790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377686.

The product of its (nonzero) digits is 55566, while the sum is 40.

The square root of 13776790 is about 3711.7098485738. The cubic root of 13776790 is about 239.7264823837.

The spelling of 13776790 in words is "thirteen million, seven hundred seventy-six thousand, seven hundred ninety".