12232646 has 4 divisors (see below), whose sum is σ = 18348972. Its totient is φ = 6116322.

The previous prime is 12232621. The next prime is 12232663. The reversal of 12232646 is 64623221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64623221 = 13 ⋅4971017.

It is a super-2 number, since 2×12232646² = 299275256322632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3058160 + ... + 3058163.

It is an arithmetic number, because the mean of its divisors is an integer number (4587243).

Almost surely, 2^12232646 is an apocalyptic number.

12232646 is a deficient number, since it is larger than the sum of its proper divisors (6116326).

12232646 is an equidigital number, since it uses as much as digits as its factorization.

12232646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6116325.

The product of its digits is 3456, while the sum is 26.

The square root of 12232646 is about 3497.5199784991. The cubic root of 12232646 is about 230.4129066804.

Adding to 12232646 its reverse (64623221), we get a palindrome (76855867).

It can be divided in two parts, 122 and 32646, that added together give a 15-th power (32768 = 2¹⁵).

The spelling of 12232646 in words is "twelve million, two hundred thirty-two thousand, six hundred forty-six".