13650469 has 6 divisors (see below), whose sum is σ = 15879174. Its totient is φ = 11700360.

The previous prime is 13650467. The next prime is 13650491. The reversal of 13650469 is 96405631.

It can be written as a sum of positive squares in only one way, i.e., 9529569 + 4120900 = 3087^2 + 2030^2 .

It is not a de Polignac number, because 13650469 - 2¹ = 13650467 is a prime.

It is a super-2 number, since 2×13650469² = 372670607839922, 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 (13650463) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139242 + ... + 139339.

It is an arithmetic number, because the mean of its divisors is an integer number (2646529).

Almost surely, 2^13650469 is an apocalyptic number.

It is an amenable number.

13650469 is a deficient number, since it is larger than the sum of its proper divisors (2228705).

13650469 is an equidigital number, since it uses as much as digits as its factorization.

13650469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278595 (or 278588 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 13650469 is about 3694.6541110096. The cubic root of 13650469 is about 238.9915381305.

It can be divided in two parts, 136 and 50469, that added together give a palindrome (50605).

The spelling of 13650469 in words is "thirteen million, six hundred fifty thousand, four hundred sixty-nine".