12250655 has 4 divisors (see below), whose sum is σ = 14700792. Its totient is φ = 9800520.

The previous prime is 12250633. The next prime is 12250661. The reversal of 12250655 is 55605221.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12250655 - 2¹⁶ = 12185119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1225061 + ... + 1225070.

It is an arithmetic number, because the mean of its divisors is an integer number (3675198).

Almost surely, 2^12250655 is an apocalyptic number.

12250655 is a deficient number, since it is larger than the sum of its proper divisors (2450137).

12250655 is an equidigital number, since it uses as much as digits as its factorization.

12250655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2450136.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 12250655 is about 3500.0935701778. The cubic root of 12250655 is about 230.5259231498.

Adding to 12250655 its reverse (55605221), we get a palindrome (67855876).

The spelling of 12250655 in words is "twelve million, two hundred fifty thousand, six hundred fifty-five".