13056406 has 8 divisors (see below), whose sum is σ = 21365064. Its totient is φ = 5934720.

The previous prime is 13056397. The next prime is 13056413. The reversal of 13056406 is 60465031.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296715 + ... + 296758.

It is an arithmetic number, because the mean of its divisors is an integer number (2670633).

Almost surely, 2^13056406 is an apocalyptic number.

13056406 is a deficient number, since it is larger than the sum of its proper divisors (8308658).

13056406 is a wasteful number, since it uses less digits than its factorization.

13056406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593486.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 13056406 is about 3613.3649137611. The cubic root of 13056406 is about 235.4730534453.

The spelling of 13056406 in words is "thirteen million, fifty-six thousand, four hundred six".