13620346 has 8 divisors (see below), whose sum is σ = 21089664. Its totient is φ = 6590460.

The previous prime is 13620317. The next prime is 13620407. The reversal of 13620346 is 64302631.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13620346.

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, 109780 + ... + 109903.

It is an arithmetic number, because the mean of its divisors is an integer number (2636208).

Almost surely, 2^13620346 is an apocalyptic number.

13620346 is a deficient number, since it is larger than the sum of its proper divisors (7469318).

13620346 is a wasteful number, since it uses less digits than its factorization.

13620346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219716.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 13620346 is about 3690.5752939074. The cubic root of 13620346 is about 238.8156114733.

Adding to 13620346 its reverse (64302631), we get a palindrome (77922977).

The spelling of 13620346 in words is "thirteen million, six hundred twenty thousand, three hundred forty-six".