12723916 has 6 divisors (see below), whose sum is σ = 22266860. Its totient is φ = 6361956.

The previous prime is 12723889. The next prime is 12723917. The reversal of 12723916 is 61932721.

It is not an unprimeable number, because it can be changed into a prime (12723917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1590486 + ... + 1590493.

Almost surely, 2^12723916 is an apocalyptic number.

It is an amenable number.

12723916 is a deficient number, since it is larger than the sum of its proper divisors (9542944).

12723916 is a wasteful number, since it uses less digits than its factorization.

12723916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3180983 (or 3180981 counting only the distinct ones).

The product of its digits is 4536, while the sum is 31.

The square root of 12723916 is about 3567.0598537171. The cubic root of 12723916 is about 233.4570165137.

The spelling of 12723916 in words is "twelve million, seven hundred twenty-three thousand, nine hundred sixteen".