12434531 has 16 divisors (see below), whose sum is σ = 14009760. Its totient is φ = 10967040.

The previous prime is 12434509. The next prime is 12434537. The reversal of 12434531 is 13543421.

It is not a de Polignac number, because 12434531 - 2¹⁸ = 12172387 is a prime.

It is a super-2 number, since 2×12434531² = 309235122379922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12434497 and 12434506.

It is not an unprimeable number, because it can be changed into a prime (12434537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44111 + ... + 44391.

It is an arithmetic number, because the mean of its divisors is an integer number (875610).

Almost surely, 2^12434531 is an apocalyptic number.

12434531 is a deficient number, since it is larger than the sum of its proper divisors (1575229).

12434531 is a wasteful number, since it uses less digits than its factorization.

12434531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454.

The product of its digits is 1440, while the sum is 23.

The square root of 12434531 is about 3526.2630361333. The cubic root of 12434531 is about 231.6735586745.

Adding to 12434531 its reverse (13543421), we get a palindrome (25977952).

The spelling of 12434531 in words is "twelve million, four hundred thirty-four thousand, five hundred thirty-one".