12455641 has 8 divisors (see below), whose sum is σ = 13660704. Its totient is φ = 11262720.

The previous prime is 12455633. The next prime is 12455647. The reversal of 12455641 is 14655421.

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

It is a cyclic number.

It is not a de Polignac number, because 12455641 - 2³ = 12455633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12455647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 811 + ... + 5056.

It is an arithmetic number, because the mean of its divisors is an integer number (1707588).

Almost surely, 2^12455641 is an apocalyptic number.

12455641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12455641 is a deficient number, since it is larger than the sum of its proper divisors (1205063).

12455641 is a wasteful number, since it uses less digits than its factorization.

12455641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6071.

The product of its digits is 4800, while the sum is 28.

The square root of 12455641 is about 3529.2550205390. The cubic root of 12455641 is about 231.8045879788.

It can be divided in two parts, 1245 and 5641, that added together give a palindrome (6886).

The spelling of 12455641 in words is "twelve million, four hundred fifty-five thousand, six hundred forty-one".