12542232 has 32 divisors (see below), whose sum is σ = 32025600. Its totient is φ = 4091424.

The previous prime is 12542227. The next prime is 12542237. The reversal of 12542232 is 23224521.

12542232 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12542227) and next prime (12542237).

It is a junction number, because it is equal to n+sod(n) for n = 12542199 and 12542208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12542237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4432 + ... + 6687.

It is an arithmetic number, because the mean of its divisors is an integer number (1000800).

Almost surely, 2^12542232 is an apocalyptic number.

12542232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12542232 is an abundant number, since it is smaller than the sum of its proper divisors (19483368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12542232 is a wasteful number, since it uses less digits than its factorization.

12542232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11175 (or 11171 counting only the distinct ones).

The product of its digits is 960, while the sum is 21.

The square root of 12542232 is about 3541.5013765351. The cubic root of 12542232 is about 232.3405126592.

Adding to 12542232 its reverse (23224521), we get a palindrome (35766753).

It can be divided in two parts, 1254 and 2232, that added together give a triangular number (3486 = T₈₃).

The spelling of 12542232 in words is "twelve million, five hundred forty-two thousand, two hundred thirty-two".