12056816 has 20 divisors (see below), whose sum is σ = 23858592. Its totient is φ = 5899776.

The previous prime is 12056801. The next prime is 12056831. The reversal of 12056816 is 61865021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12056801) and next prime (12056831).

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, 7265 + ... + 8768.

Almost surely, 2^12056816 is an apocalyptic number.

12056816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12056816 is a deficient number, since it is larger than the sum of its proper divisors (11801776).

12056816 is a wasteful number, since it uses less digits than its factorization.

12056816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16088 (or 16082 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 12056816 is about 3472.2926143976. The cubic root of 12056816 is about 229.3036024495.

The spelling of 12056816 in words is "twelve million, fifty-six thousand, eight hundred sixteen".