12232534 has 4 divisors (see below), whose sum is σ = 18348804. Its totient is φ = 6116266.

The previous prime is 12232531. The next prime is 12232541. The reversal of 12232534 is 43523221.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×12232534² = 299269776122312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12232531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3058132 + ... + 3058135.

It is an arithmetic number, because the mean of its divisors is an integer number (4587201).

Almost surely, 2^12232534 is an apocalyptic number.

12232534 is a deficient number, since it is larger than the sum of its proper divisors (6116270).

12232534 is an equidigital number, since it uses as much as digits as its factorization.

12232534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6116269.

The product of its digits is 1440, while the sum is 22.

The square root of 12232534 is about 3497.5039671171. The cubic root of 12232534 is about 230.4122034713.

Adding to 12232534 its reverse (43523221), we get a palindrome (55755755).

The spelling of 12232534 in words is "twelve million, two hundred thirty-two thousand, five hundred thirty-four".