13690136 has 16 divisors (see below), whose sum is σ = 25858440. Its totient is φ = 6794560.

The previous prime is 13690123. The next prime is 13690139. The reversal of 13690136 is 63109631.

It is a junction number, because it is equal to n+sod(n) for n = 13690099 and 13690108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13690139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5150 + ... + 7341.

Almost surely, 2^13690136 is an apocalyptic number.

It is an amenable number.

13690136 is a deficient number, since it is larger than the sum of its proper divisors (12168304).

13690136 is a wasteful number, since it uses less digits than its factorization.

13690136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12634 (or 12630 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 13690136 is about 3700.0183783327. The cubic root of 13690136 is about 239.2228100230. Note that the first 3 decimals are identical.

Adding to 13690136 its reverse (63109631), we get a palindrome (76799767).

The spelling of 13690136 in words is "thirteen million, six hundred ninety thousand, one hundred thirty-six".