12456501 has 16 divisors (see below), whose sum is σ = 17575296. Its totient is φ = 7831296.

The previous prime is 12456491. The next prime is 12456517. The reversal of 12456501 is 10565421.

12456501 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12456501 - 2⁷ = 12456373 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12456581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3801 + ... + 6273.

It is an arithmetic number, because the mean of its divisors is an integer number (1098456).

Almost surely, 2^12456501 is an apocalyptic number.

It is an amenable number.

12456501 is a deficient number, since it is larger than the sum of its proper divisors (5118795).

12456501 is a wasteful number, since it uses less digits than its factorization.

12456501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2572.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 12456501 is about 3529.3768571803. The cubic root of 12456501 is about 231.8099228402.

The spelling of 12456501 in words is "twelve million, four hundred fifty-six thousand, five hundred one".