13973790 has 32 divisors (see below), whose sum is σ = 34446240. Its totient is φ = 3625344.

The previous prime is 13973789. The next prime is 13973807. The reversal of 13973790 is 9737931.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5185 + ... + 7404.

It is an arithmetic number, because the mean of its divisors is an integer number (1076445).

Almost surely, 2^13973790 is an apocalyptic number.

13973790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13973790 is an abundant number, since it is smaller than the sum of its proper divisors (20472450).

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

13973790 is a wasteful number, since it uses less digits than its factorization.

13973790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12636.

The product of its (nonzero) digits is 35721, while the sum is 39.

The square root of 13973790 is about 3738.1532873867. The cubic root of 13973790 is about 240.8637281061.

The spelling of 13973790 in words is "thirteen million, nine hundred seventy-three thousand, seven hundred ninety".