13804990 has 8 divisors (see below), whose sum is σ = 24849000. Its totient is φ = 5521992.

The previous prime is 13804961. The next prime is 13804993. The reversal of 13804990 is 9940831.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13804993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 690240 + ... + 690259.

It is an arithmetic number, because the mean of its divisors is an integer number (3106125).

Almost surely, 2^13804990 is an apocalyptic number.

13804990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13804990 is a deficient number, since it is larger than the sum of its proper divisors (11044010).

13804990 is a wasteful number, since it uses less digits than its factorization.

13804990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380506.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 13804990 is about 3715.5066949206. The cubic root of 13804990 is about 239.8899379601.

The spelling of 13804990 in words is "thirteen million, eight hundred four thousand, nine hundred ninety".