13822390 has 16 divisors (see below), whose sum is σ = 24973920. Its totient is φ = 5508160.

The previous prime is 13822363. The next prime is 13822409. The reversal of 13822390 is 9322831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351 + ... + 5269.

It is an arithmetic number, because the mean of its divisors is an integer number (1560870).

Almost surely, 2^13822390 is an apocalyptic number.

13822390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13822390 is a deficient number, since it is larger than the sum of its proper divisors (11151530).

13822390 is a wasteful number, since it uses less digits than its factorization.

13822390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5207.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 13822390 is about 3717.8474955275. The cubic root of 13822390 is about 239.9906825086.

It can be divided in two parts, 13 and 822390, that added together give a triangular number (822403 = T₁₂₈₂).

The spelling of 13822390 in words is "thirteen million, eight hundred twenty-two thousand, three hundred ninety".