12434661 has 8 divisors (see below), whose sum is σ = 18421760. Its totient is φ = 8289756.

The previous prime is 12434659. The next prime is 12434687. The reversal of 12434661 is 16643421.

It is not a de Polignac number, because 12434661 - 2¹ = 12434659 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 460543 = 12434661 / (1 + 2 + 4 + 3 + 4 + 6 + 6 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12434621) 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, 230245 + ... + 230298.

It is an arithmetic number, because the mean of its divisors is an integer number (2302720).

Almost surely, 2^12434661 is an apocalyptic number.

It is an amenable number.

12434661 is a deficient number, since it is larger than the sum of its proper divisors (5987099).

12434661 is an equidigital number, since it uses as much as digits as its factorization.

12434661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460552 (or 460546 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 12434661 is about 3526.2814691967. The cubic root of 12434661 is about 231.6743660353.

The spelling of 12434661 in words is "twelve million, four hundred thirty-four thousand, six hundred sixty-one".