12201456 has 20 divisors (see below), whose sum is σ = 31520552. Its totient is φ = 4067136.

The previous prime is 12201419. The next prime is 12201457. The reversal of 12201456 is 65410221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127051 + ... + 127146.

Almost surely, 2^12201456 is an apocalyptic number.

12201456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12201456 is an abundant number, since it is smaller than the sum of its proper divisors (19319096).

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

12201456 is a wasteful number, since it uses less digits than its factorization.

12201456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254208 (or 254202 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 12201456 is about 3493.0582588901. The cubic root of 12201456 is about 230.2169094235.

Adding to 12201456 its reverse (65410221), we get a palindrome (77611677).

The spelling of 12201456 in words is "twelve million, two hundred one thousand, four hundred fifty-six".