12534331 has 4 divisors (see below), whose sum is σ = 12554352. Its totient is φ = 12514312.

The previous prime is 12534329. The next prime is 12534337. The reversal of 12534331 is 13343521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13343521 = 17 ⋅784913.

It is a cyclic number.

It is not a de Polignac number, because 12534331 - 2¹ = 12534329 is a prime.

It is a super-2 number, since 2×12534331² = 314218907235122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12534337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9040 + ... + 10333.

It is an arithmetic number, because the mean of its divisors is an integer number (3138588).

Almost surely, 2^12534331 is an apocalyptic number.

12534331 is a deficient number, since it is larger than the sum of its proper divisors (20021).

12534331 is an equidigital number, since it uses as much as digits as its factorization.

12534331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20020.

The product of its digits is 1080, while the sum is 22.

The square root of 12534331 is about 3540.3857134499. The cubic root of 12534331 is about 232.2917146463.

Adding to 12534331 its reverse (13343521), we get a palindrome (25877852).

The spelling of 12534331 in words is "twelve million, five hundred thirty-four thousand, three hundred thirty-one".