12315469 has 2 divisors, whose sum is σ = 12315470. Its totient is φ = 12315468.

The previous prime is 12315467. The next prime is 12315481. The reversal of 12315469 is 96451321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9796900 + 2518569 = 3130^2 + 1587^2 .

It is a cyclic number.

It is not a de Polignac number, because 12315469 - 2¹ = 12315467 is a prime.

It is a super-2 number, since 2×12315469² = 303341553379922, which contains 22 as substring.

Together with 12315467, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12315469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12315461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6157734 + 6157735.

It is an arithmetic number, because the mean of its divisors is an integer number (6157735).

Almost surely, 2^12315469 is an apocalyptic number.

It is an amenable number.

12315469 is a deficient number, since it is larger than the sum of its proper divisors (1).

12315469 is an equidigital number, since it uses as much as digits as its factorization.

12315469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 31.

The square root of 12315469 is about 3509.3402513863. The cubic root of 12315469 is about 230.9317527316.

The spelling of 12315469 in words is "twelve million, three hundred fifteen thousand, four hundred sixty-nine".