12454531 has 2 divisors, whose sum is σ = 12454532. Its totient is φ = 12454530.

The previous prime is 12454517. The next prime is 12454573. The reversal of 12454531 is 13545421.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12454531 - 2⁵ = 12454499 is a prime.

It is a super-2 number, since 2×12454531² = 310230684859922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12454496 and 12454505.

It is not a weakly prime, because it can be changed into another prime (12454501) 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, 6227265 + 6227266.

It is an arithmetic number, because the mean of its divisors is an integer number (6227266).

Almost surely, 2^12454531 is an apocalyptic number.

12454531 is a deficient number, since it is larger than the sum of its proper divisors (1).

12454531 is an equidigital number, since it uses as much as digits as its factorization.

12454531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2400, while the sum is 25.

The square root of 12454531 is about 3529.0977600514. The cubic root of 12454531 is about 231.7977019224.

Adding to 12454531 its reverse (13545421), we get a palindrome (25999952).

It can be divided in two parts, 1245 and 4531, that added together give a square (5776 = 76²).

The spelling of 12454531 in words is "twelve million, four hundred fifty-four thousand, five hundred thirty-one".