13845590 has 32 divisors (see below), whose sum is σ = 27371520. Its totient is φ = 5000800.

The previous prime is 13845571. The next prime is 13845607. The reversal of 13845590 is 9554831.

It is a self number, because there is not a number n which added to its sum of digits gives 13845590.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20681 + ... + 21339.

It is an arithmetic number, because the mean of its divisors is an integer number (855360).

Almost surely, 2^13845590 is an apocalyptic number.

13845590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13845590 is a deficient number, since it is larger than the sum of its proper divisors (13525930).

13845590 is a wasteful number, since it uses less digits than its factorization.

13845590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 13845590 is about 3720.9662723545. The cubic root of 13845590 is about 240.1248771421.

The spelling of 13845590 in words is "thirteen million, eight hundred forty-five thousand, five hundred ninety".