13223770 has 16 divisors (see below), whose sum is σ = 27203328. Its totient is φ = 4533840.

The previous prime is 13223767. The next prime is 13223783. The reversal of 13223770 is 7732231.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 94386 + ... + 94525.

It is an arithmetic number, because the mean of its divisors is an integer number (1700208).

Almost surely, 2^13223770 is an apocalyptic number.

13223770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13223770 is an abundant number, since it is smaller than the sum of its proper divisors (13979558).

13223770 is a wasteful number, since it uses less digits than its factorization.

13223770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188925.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 13223770 is about 3636.4501921517. The cubic root of 13223770 is about 236.4749245972.

The spelling of 13223770 in words is "thirteen million, two hundred twenty-three thousand, seven hundred seventy".