12484431 has 12 divisors (see below), whose sum is σ = 18172440. Its totient is φ = 8258640.

The previous prime is 12484421. The next prime is 12484441. The reversal of 12484431 is 13448421.

It is an interprime number because it is at equal distance from previous prime (12484421) and next prime (12484441).

It is not a de Polignac number, because 12484431 - 2¹³ = 12476239 is a prime.

It is a super-2 number, since 2×12484431² = 311722034787522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12484395 and 12484404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12484421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4116 + ... + 6473.

It is an arithmetic number, because the mean of its divisors is an integer number (1514370).

Almost surely, 2^12484431 is an apocalyptic number.

12484431 is a deficient number, since it is larger than the sum of its proper divisors (5688009).

12484431 is a wasteful number, since it uses less digits than its factorization.

12484431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10726 (or 10723 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 12484431 is about 3533.3314308171. The cubic root of 12484431 is about 231.9830484543.

Adding to 12484431 its product of digits (3072), we get a triangular number (12487503 = T₄₉₉₇).

The spelling of 12484431 in words is "twelve million, four hundred eighty-four thousand, four hundred thirty-one".