12354131 has 2 divisors, whose sum is σ = 12354132. Its totient is φ = 12354130.

The previous prime is 12354127. The next prime is 12354143. The reversal of 12354131 is 13145321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12354131 - 2² = 12354127 is a prime.

It is a super-2 number, since 2×12354131² = 305249105530322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12354101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6177065 + 6177066.

It is an arithmetic number, because the mean of its divisors is an integer number (6177066).

Almost surely, 2^12354131 is an apocalyptic number.

12354131 is a deficient number, since it is larger than the sum of its proper divisors (1).

12354131 is an equidigital number, since it uses as much as digits as its factorization.

12354131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 360, while the sum is 20.

The square root of 12354131 is about 3514.8443777783. The cubic root of 12354131 is about 231.1731552805.

Adding to 12354131 its reverse (13145321), we get a palindrome (25499452).

The spelling of 12354131 in words is "twelve million, three hundred fifty-four thousand, one hundred thirty-one".