12444705 has 64 divisors (see below), whose sum is σ = 27256320. Its totient is φ = 5246208.

The previous prime is 12444701. The next prime is 12444709. The reversal of 12444705 is 50744421.

12444705 is digitally balanced in base 2, base 4 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12444701) and next prime (12444709).

It is not a de Polignac number, because 12444705 - 2² = 12444701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

12444705 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (12444701) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11779 + ... + 12791.

It is an arithmetic number, because the mean of its divisors is an integer number (425880).

Almost surely, 2^12444705 is an apocalyptic number.

12444705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12444705 is an abundant number, since it is smaller than the sum of its proper divisors (14811615).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12444705 is a wasteful number, since it uses less digits than its factorization.

12444705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047 (or 1041 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 12444705 is about 3527.7053448382. The cubic root of 12444705 is about 231.7367269658.

The spelling of 12444705 in words is "twelve million, four hundred forty-four thousand, seven hundred five".