13670516 has 12 divisors (see below), whose sum is σ = 25330788. Its totient is φ = 6433152.

The previous prime is 13670497. The next prime is 13670521. The reversal of 13670516 is 61507631.

It can be written as a sum of positive squares in 2 ways, for example, as 5808100 + 7862416 = 2410^2 + 2804^2 .

It is a congruent number.

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, 100451 + ... + 100586.

It is an arithmetic number, because the mean of its divisors is an integer number (2110899).

Almost surely, 2^13670516 is an apocalyptic number.

It is an amenable number.

13670516 is a deficient number, since it is larger than the sum of its proper divisors (11660272).

13670516 is a wasteful number, since it uses less digits than its factorization.

13670516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201058 (or 201056 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 13670516 is about 3697.3660895291. The cubic root of 13670516 is about 239.1084747696.

The spelling of 13670516 in words is "thirteen million, six hundred seventy thousand, five hundred sixteen".