13349215 has 8 divisors (see below), whose sum is σ = 17475408. Its totient is φ = 9708480.

The previous prime is 13349209. The next prime is 13349227. The reversal of 13349215 is 51294331.

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

It is not a de Polignac number, because 13349215 - 2⁷ = 13349087 is a prime.

It is a super-2 number, since 2×13349215² = 356403082232450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121302 + ... + 121411.

It is an arithmetic number, because the mean of its divisors is an integer number (2184426).

Almost surely, 2^13349215 is an apocalyptic number.

13349215 is a deficient number, since it is larger than the sum of its proper divisors (4126193).

13349215 is a wasteful number, since it uses less digits than its factorization.

13349215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242729.

The product of its digits is 3240, while the sum is 28.

The square root of 13349215 is about 3653.6577562766. The cubic root of 13349215 is about 237.2203319327.

Subtracting 13349215 from its reverse (51294331), we obtain a triangular number (37945116 = T₈₇₁₁).

The spelling of 13349215 in words is "thirteen million, three hundred forty-nine thousand, two hundred fifteen".