12265501 has 4 divisors (see below), whose sum is σ = 12295900. Its totient is φ = 12235104.

The previous prime is 12265459. The next prime is 12265511. The reversal of 12265501 is 10556221.

12265501 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10896601 + 1368900 = 3301^2 + 1170^2 .

It is a cyclic number.

It is not a de Polignac number, because 12265501 - 2¹¹ = 12263453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12265511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14586 + ... + 15403.

It is an arithmetic number, because the mean of its divisors is an integer number (3073975).

Almost surely, 2^12265501 is an apocalyptic number.

It is an amenable number.

12265501 is a deficient number, since it is larger than the sum of its proper divisors (30399).

12265501 is an equidigital number, since it uses as much as digits as its factorization.

12265501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30398.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 12265501 is about 3502.2137284866. The cubic root of 12265501 is about 230.6190067797.

The spelling of 12265501 in words is "twelve million, two hundred sixty-five thousand, five hundred one".