13690263 has 4 divisors (see below), whose sum is σ = 18253688. Its totient is φ = 9126840.

The previous prime is 13690213. The next prime is 13690277. The reversal of 13690263 is 36209631.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36209631 = 3 ⋅12069877.

It is not a de Polignac number, because 13690263 - 2¹⁶ = 13624727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13690263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13690213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2281708 + ... + 2281713.

It is an arithmetic number, because the mean of its divisors is an integer number (4563422).

Almost surely, 2^13690263 is an apocalyptic number.

13690263 is a deficient number, since it is larger than the sum of its proper divisors (4563425).

13690263 is an equidigital number, since it uses as much as digits as its factorization.

13690263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4563424.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 13690263 is about 3700.0355403698. The cubic root of 13690263 is about 239.2235497576.

Adding to 13690263 its reverse (36209631), we get a palindrome (49899894).

The spelling of 13690263 in words is "thirteen million, six hundred ninety thousand, two hundred sixty-three".