12469131 has 6 divisors (see below), whose sum is σ = 18010980. Its totient is φ = 8312748.

The previous prime is 12469129. The next prime is 12469133. The reversal of 12469131 is 13196421.

It is an interprime number because it is at equal distance from previous prime (12469129) and next prime (12469133).

It is not a de Polignac number, because 12469131 - 2¹ = 12469129 is a prime.

It is a super-2 number, since 2×12469131² = 310958455790322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12469095 and 12469104.

It is not an unprimeable number, because it can be changed into a prime (12469133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 692721 + ... + 692738.

It is an arithmetic number, because the mean of its divisors is an integer number (3001830).

Almost surely, 2^12469131 is an apocalyptic number.

12469131 is a deficient number, since it is larger than the sum of its proper divisors (5541849).

12469131 is a wasteful number, since it uses less digits than its factorization.

12469131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385465 (or 1385462 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 12469131 is about 3531.1656715595. The cubic root of 12469131 is about 231.8882425966. Note that the first 3 decimals are identical.

The spelling of 12469131 in words is "twelve million, four hundred sixty-nine thousand, one hundred thirty-one".