13930669 has 2 divisors, whose sum is σ = 13930670. Its totient is φ = 13930668.

The previous prime is 13930649. The next prime is 13930681. The reversal of 13930669 is 96603931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12075625 + 1855044 = 3475^2 + 1362^2 .

It is a cyclic number.

It is not a de Polignac number, because 13930669 - 2⁷ = 13930541 is a prime.

It is a super-2 number, since 2×13930669² = 388127077575122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13930649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6965334 + 6965335.

It is an arithmetic number, because the mean of its divisors is an integer number (6965335).

Almost surely, 2^13930669 is an apocalyptic number.

It is an amenable number.

13930669 is a deficient number, since it is larger than the sum of its proper divisors (1).

13930669 is an equidigital number, since it uses as much as digits as its factorization.

13930669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 13930669 is about 3732.3811434525. The cubic root of 13930669 is about 240.6157164912.

The spelling of 13930669 in words is "thirteen million, nine hundred thirty thousand, six hundred sixty-nine".