13630469 has 2 divisors, whose sum is σ = 13630470. Its totient is φ = 13630468.

The previous prime is 13630459. The next prime is 13630553. The reversal of 13630469 is 96403631.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12517444 + 1113025 = 3538^2 + 1055^2 .

It is an emirp because it is prime and its reverse (96403631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13630469 - 2⁴ = 13630453 is a prime.

It is a super-2 number, since 2×13630469² = 371579370319922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13630459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6815234 + 6815235.

It is an arithmetic number, because the mean of its divisors is an integer number (6815235).

Almost surely, 2^13630469 is an apocalyptic number.

It is an amenable number.

13630469 is a deficient number, since it is larger than the sum of its proper divisors (1).

13630469 is an equidigital number, since it uses as much as digits as its factorization.

13630469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 13630469 is about 3691.9465055713. The cubic root of 13630469 is about 238.8747615066.

The spelling of 13630469 in words is "thirteen million, six hundred thirty thousand, four hundred sixty-nine".