13436069 has 16 divisors (see below), whose sum is σ = 14996016. Its totient is φ = 11980800.

The previous prime is 13436053. The next prime is 13436089. The reversal of 13436069 is 96063431.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 3844 + 13432225 = 62^2 + 3665^2 .

It is a cyclic number.

It is not a de Polignac number, because 13436069 - 2⁴ = 13436053 is a prime.

It is a super-2 number, since 2×13436069² = 361055900345522, 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 (13436009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25529 + ... + 26049.

It is an arithmetic number, because the mean of its divisors is an integer number (937251).

Almost surely, 2^13436069 is an apocalyptic number.

It is an amenable number.

13436069 is a deficient number, since it is larger than the sum of its proper divisors (1559947).

13436069 is a wasteful number, since it uses less digits than its factorization.

13436069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616.

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

The square root of 13436069 is about 3665.5243826771. The cubic root of 13436069 is about 237.7336957339.

The spelling of 13436069 in words is "thirteen million, four hundred thirty-six thousand, sixty-nine".