13623469 has 2 divisors, whose sum is σ = 13623470. Its totient is φ = 13623468.

The previous prime is 13623461. The next prime is 13623503. The reversal of 13623469 is 96432631.

It is a happy number.

It is an a-pointer prime, because the next prime (13623503) can be obtained adding 13623469 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12866569 + 756900 = 3587^2 + 870^2 .

It is a cyclic number.

It is not a de Polignac number, because 13623469 - 2³ = 13623461 is a prime.

It is a super-2 number, since 2×13623469² = 371197815187922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13623461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6811734 + 6811735.

It is an arithmetic number, because the mean of its divisors is an integer number (6811735).

Almost surely, 2^13623469 is an apocalyptic number.

It is an amenable number.

13623469 is a deficient number, since it is larger than the sum of its proper divisors (1).

13623469 is an equidigital number, since it uses as much as digits as its factorization.

13623469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 34.

The square root of 13623469 is about 3690.9983744239. The cubic root of 13623469 is about 238.8338627022.

The spelling of 13623469 in words is "thirteen million, six hundred twenty-three thousand, four hundred sixty-nine".