13681210 has 8 divisors (see below), whose sum is σ = 24626196. Its totient is φ = 5472480.

The previous prime is 13681163. The next prime is 13681211. The reversal of 13681210 is 1218631.

It can be written as a sum of positive squares in 2 ways, for example, as 13010449 + 670761 = 3607^2 + 819^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13681211) 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, 684051 + ... + 684070.

Almost surely, 2^13681210 is an apocalyptic number.

13681210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13681210 is a deficient number, since it is larger than the sum of its proper divisors (10944986).

13681210 is a wasteful number, since it uses less digits than its factorization.

13681210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368128.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 13681210 is about 3698.8119714308. The cubic root of 13681210 is about 239.1708074462.

Adding to 13681210 its reverse (1218631), we get a palindrome (14899841).

The spelling of 13681210 in words is "thirteen million, six hundred eighty-one thousand, two hundred ten".