13727790 has 24 divisors (see below), whose sum is σ = 35692488. Its totient is φ = 3660720.

The previous prime is 13727783. The next prime is 13727809. The reversal of 13727790 is 9772731.

13727790 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76176 + ... + 76355.

It is an arithmetic number, because the mean of its divisors is an integer number (1487187).

Almost surely, 2^13727790 is an apocalyptic number.

13727790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13727790 is an abundant number, since it is smaller than the sum of its proper divisors (21964698).

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

13727790 is a wasteful number, since it uses less digits than its factorization.

13727790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152544 (or 152541 counting only the distinct ones).

The product of its (nonzero) digits is 18522, while the sum is 36.

The square root of 13727790 is about 3705.1032374281. The cubic root of 13727790 is about 239.4419325086.

The spelling of 13727790 in words is "thirteen million, seven hundred twenty-seven thousand, seven hundred ninety".