12441789 has 32 divisors (see below), whose sum is σ = 19712000. Its totient is φ = 7733232.

The previous prime is 12441787. The next prime is 12441791. The reversal of 12441789 is 98714421.

It is an interprime number because it is at equal distance from previous prime (12441787) and next prime (12441791).

It is not a de Polignac number, because 12441789 - 2¹ = 12441787 is a prime.

It is a super-2 number, since 2×12441789² = 309596227041042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12441787) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40374 + ... + 40680.

It is an arithmetic number, because the mean of its divisors is an integer number (616000).

Almost surely, 2^12441789 is an apocalyptic number.

12441789 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12441789 is a deficient number, since it is larger than the sum of its proper divisors (7270211).

12441789 is a wasteful number, since it uses less digits than its factorization.

12441789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414 (or 408 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 12441789 is about 3527.2920208001. The cubic root of 12441789 is about 231.7186256372.

The spelling of 12441789 in words is "twelve million, four hundred forty-one thousand, seven hundred eighty-nine".