13556012 has 6 divisors (see below), whose sum is σ = 23723028. Its totient is φ = 6778004.

The previous prime is 13555999. The next prime is 13556029. The reversal of 13556012 is 21065531.

It is a super-2 number, since 2×13556012² = 367530922688288, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 1694498 + ... + 1694505.

It is an arithmetic number, because the mean of its divisors is an integer number (3953838).

Almost surely, 2^13556012 is an apocalyptic number.

It is an amenable number.

13556012 is a deficient number, since it is larger than the sum of its proper divisors (10167016).

13556012 is a wasteful number, since it uses less digits than its factorization.

13556012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3389007 (or 3389005 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 13556012 is about 3681.8489920147. The cubic root of 13556012 is about 238.4390126912.

The spelling of 13556012 in words is "thirteen million, five hundred fifty-six thousand, twelve".