13664210 has 16 divisors (see below), whose sum is σ = 28109376. Its totient is φ = 4684848.

The previous prime is 13664159. The next prime is 13664219. The reversal of 13664210 is 1246631.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13664219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97532 + ... + 97671.

It is an arithmetic number, because the mean of its divisors is an integer number (1756836).

Almost surely, 2^13664210 is an apocalyptic number.

13664210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13664210 is an abundant number, since it is smaller than the sum of its proper divisors (14445166).

13664210 is a wasteful number, since it uses less digits than its factorization.

13664210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195217.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 13664210 is about 3696.5132219431. The cubic root of 13664210 is about 239.0717034206.

It can be divided in two parts, 136 and 64210, that added together give a palindrome (64346).

The spelling of 13664210 in words is "thirteen million, six hundred sixty-four thousand, two hundred ten".