13690769 has 2 divisors, whose sum is σ = 13690770. Its totient is φ = 13690768.

The previous prime is 13690759. The next prime is 13690793. The reversal of 13690769 is 96709631.

It is a happy number.

13690769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9690769 + 4000000 = 3113^2 + 2000^2 .

It is a cyclic number.

It is not a de Polignac number, because 13690769 - 2⁴ = 13690753 is a prime.

It is a super-2 number, since 2×13690769² = 374874311622722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13690739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6845384 + 6845385.

It is an arithmetic number, because the mean of its divisors is an integer number (6845385).

Almost surely, 2^13690769 is an apocalyptic number.

It is an amenable number.

13690769 is a deficient number, since it is larger than the sum of its proper divisors (1).

13690769 is an equidigital number, since it uses as much as digits as its factorization.

13690769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 13690769 is about 3700.1039174596. The cubic root of 13690769 is about 239.2264970013.

The spelling of 13690769 in words is "thirteen million, six hundred ninety thousand, seven hundred sixty-nine".