13645790 has 16 divisors (see below), whose sum is σ = 24609312. Its totient is φ = 5447904.

The previous prime is 13645789. The next prime is 13645799. The reversal of 13645790 is 9754631.

It is a self number, because there is not a number n which added to its sum of digits gives 13645790.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13645799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6332 + ... + 8208.

It is an arithmetic number, because the mean of its divisors is an integer number (1538082).

Almost surely, 2^13645790 is an apocalyptic number.

13645790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13645790 is a deficient number, since it is larger than the sum of its proper divisors (10963522).

13645790 is a wasteful number, since it uses less digits than its factorization.

13645790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2611.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 13645790 is about 3694.0208445541. The cubic root of 13645790 is about 238.9642284657.

The spelling of 13645790 in words is "thirteen million, six hundred forty-five thousand, seven hundred ninety".