12325511 has 4 divisors (see below), whose sum is σ = 13446024. Its totient is φ = 11205000.

The previous prime is 12325487. The next prime is 12325517. The reversal of 12325511 is 11552321.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12325511 - 2¹⁸ = 12063367 is a prime.

It is a super-2 number, since 2×12325511² = 303836442822242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12325517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560240 + ... + 560261.

It is an arithmetic number, because the mean of its divisors is an integer number (3361506).

Almost surely, 2^12325511 is an apocalyptic number.

12325511 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12325511 is a deficient number, since it is larger than the sum of its proper divisors (1120513).

12325511 is a wasteful number, since it uses less digits than its factorization.

12325511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120512.

The product of its digits is 300, while the sum is 20.

The square root of 12325511 is about 3510.7707131056. The cubic root of 12325511 is about 230.9945027208.

Adding to 12325511 its reverse (11552321), we get a palindrome (23877832).

It can be divided in two parts, 12 and 325511, that added together give a palindrome (325523).

The spelling of 12325511 in words is "twelve million, three hundred twenty-five thousand, five hundred eleven".