13997210 has 8 divisors (see below), whose sum is σ = 25194996. Its totient is φ = 5598880.

The previous prime is 13997201. The next prime is 13997233. The reversal of 13997210 is 1279931.

It is a happy number.

13997210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13965169 + 32041 = 3737^2 + 179^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 699851 + ... + 699870.

Almost surely, 2^13997210 is an apocalyptic number.

13997210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13997210 is a deficient number, since it is larger than the sum of its proper divisors (11197786).

13997210 is a wasteful number, since it uses less digits than its factorization.

13997210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399728.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 13997210 is about 3741.2845387647. The cubic root of 13997210 is about 240.9982151231.

The spelling of 13997210 in words is "thirteen million, nine hundred ninety-seven thousand, two hundred ten".