13555790 has 8 divisors (see below), whose sum is σ = 24400440. Its totient is φ = 5422312.

The previous prime is 13555777. The next prime is 13555799. The reversal of 13555790 is 9755531.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13555790.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13555799) 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, 677780 + ... + 677799.

It is an arithmetic number, because the mean of its divisors is an integer number (3050055).

Almost surely, 2^13555790 is an apocalyptic number.

13555790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13555790 is a deficient number, since it is larger than the sum of its proper divisors (10844650).

13555790 is a wasteful number, since it uses less digits than its factorization.

13555790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355586.

The product of its (nonzero) digits is 23625, while the sum is 35.

The square root of 13555790 is about 3681.8188439955. The cubic root of 13555790 is about 238.4377110854.

The spelling of 13555790 in words is "thirteen million, five hundred fifty-five thousand, seven hundred ninety".