12227545 has 16 divisors (see below), whose sum is σ = 16850880. Its totient is φ = 8424000.

The previous prime is 12227533. The next prime is 12227557. The reversal of 12227545 is 54572221.

It is an interprime number because it is at equal distance from previous prime (12227533) and next prime (12227557).

It is not a de Polignac number, because 12227545 - 2¹⁷ = 12096473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4806 + ... + 6895.

It is an arithmetic number, because the mean of its divisors is an integer number (1053180).

Almost surely, 2^12227545 is an apocalyptic number.

It is an amenable number.

12227545 is a deficient number, since it is larger than the sum of its proper divisors (4623335).

12227545 is a wasteful number, since it uses less digits than its factorization.

12227545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11736.

The product of its digits is 5600, while the sum is 28.

The square root of 12227545 is about 3496.7906714586. The cubic root of 12227545 is about 230.3808749175.

Adding to 12227545 its reverse (54572221), we get a palindrome (66799766).

The spelling of 12227545 in words is "twelve million, two hundred twenty-seven thousand, five hundred forty-five".