13226664 has 32 divisors (see below), whose sum is σ = 36073440. Its totient is φ = 4008000.

The previous prime is 13226623. The next prime is 13226683. The reversal of 13226664 is 46662231.

It is a nude number because it is divisible by every one of its digits.

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 7 ways as a sum of consecutive naturals, for example, 24787 + ... + 25314.

It is an arithmetic number, because the mean of its divisors is an integer number (1127295).

Almost surely, 2^13226664 is an apocalyptic number.

It is an amenable number.

13226664 is an abundant number, since it is smaller than the sum of its proper divisors (22846776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13226664 is a wasteful number, since it uses less digits than its factorization.

13226664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50121 (or 50117 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 13226664 is about 3636.8480859118. The cubic root of 13226664 is about 236.4921740531.

Adding to 13226664 its reverse (46662231), we get a palindrome (59888895).

It can be divided in two parts, 132 and 26664, that added together give a triangular number (26796 = T₂₃₁).

The spelling of 13226664 in words is "thirteen million, two hundred twenty-six thousand, six hundred sixty-four".