12255537 has 24 divisors (see below), whose sum is σ = 19141056. Its totient is φ = 6954528.

The previous prime is 12255533. The next prime is 12255587. The reversal of 12255537 is 73555221.

12255537 = 304² + 305² + ... + 401².

It is not a de Polignac number, because 12255537 - 2² = 12255533 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12255533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38503 + ... + 38819.

It is an arithmetic number, because the mean of its divisors is an integer number (797544).

Almost surely, 2^12255537 is an apocalyptic number.

It is an amenable number.

12255537 is a deficient number, since it is larger than the sum of its proper divisors (6885519).

12255537 is a wasteful number, since it uses less digits than its factorization.

12255537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597 (or 590 counting only the distinct ones).

The product of its digits is 10500, while the sum is 30.

The square root of 12255537 is about 3500.7909106372. The cubic root of 12255537 is about 230.5565413247.

The spelling of 12255537 in words is "twelve million, two hundred fifty-five thousand, five hundred thirty-seven".