12445654 has 8 divisors (see below), whose sum is σ = 20104560. Its totient is φ = 5744136.

The previous prime is 12445651. The next prime is 12445679. The reversal of 12445654 is 45654421.

It is a happy number.

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

It is a super-3 number, since 3×12445654³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12445651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239314 + ... + 239365.

It is an arithmetic number, because the mean of its divisors is an integer number (2513070).

Almost surely, 2^12445654 is an apocalyptic number.

12445654 is a deficient number, since it is larger than the sum of its proper divisors (7658906).

12445654 is a wasteful number, since it uses less digits than its factorization.

12445654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478694.

The product of its digits is 19200, while the sum is 31.

The square root of 12445654 is about 3527.8398489727. The cubic root of 12445654 is about 231.7426173575.

The spelling of 12445654 in words is "twelve million, four hundred forty-five thousand, six hundred fifty-four".