13469661 has 12 divisors (see below), whose sum is σ = 20600892. Its totient is φ = 8451456.

The previous prime is 13469657. The next prime is 13469669. The reversal of 13469661 is 16696431.

It can be written as a sum of positive squares in 2 ways, for example, as 10208025 + 3261636 = 3195^2 + 1806^2 .

It is not a de Polignac number, because 13469661 - 2² = 13469657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13469669) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43866 + ... + 44171.

It is an arithmetic number, because the mean of its divisors is an integer number (1716741).

Almost surely, 2^13469661 is an apocalyptic number.

It is an amenable number.

13469661 is a deficient number, since it is larger than the sum of its proper divisors (7131231).

13469661 is a wasteful number, since it uses less digits than its factorization.

13469661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88060 (or 88057 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 13469661 is about 3670.1036770097. The cubic root of 13469661 is about 237.9316530436.

The spelling of 13469661 in words is "thirteen million, four hundred sixty-nine thousand, six hundred sixty-one".