13942693 has 2 divisors, whose sum is σ = 13942694. Its totient is φ = 13942692.

The previous prime is 13942667. The next prime is 13942711. The reversal of 13942693 is 39624931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11819844 + 2122849 = 3438^2 + 1457^2 .

It is a cyclic number.

It is not a de Polignac number, because 13942693 - 2⁵ = 13942661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13942603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6971346 + 6971347.

It is an arithmetic number, because the mean of its divisors is an integer number (6971347).

Almost surely, 2^13942693 is an apocalyptic number.

It is an amenable number.

13942693 is a deficient number, since it is larger than the sum of its proper divisors (1).

13942693 is an equidigital number, since it uses as much as digits as its factorization.

13942693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 37.

The square root of 13942693 is about 3733.9915639969. The cubic root of 13942693 is about 240.6849242558.

The spelling of 13942693 in words is "thirteen million, nine hundred forty-two thousand, six hundred ninety-three".