13694623 has 2 divisors, whose sum is σ = 13694624. Its totient is φ = 13694622.

The previous prime is 13694621. The next prime is 13694627. The reversal of 13694623 is 32649631.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13694623 - 2¹ = 13694621 is a prime.

It is a super-2 number, since 2×13694623² = 375085398224258, which contains 22 as substring.

Together with 13694621, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13694621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6847311 + 6847312.

It is an arithmetic number, because the mean of its divisors is an integer number (6847312).

Almost surely, 2^13694623 is an apocalyptic number.

13694623 is a deficient number, since it is larger than the sum of its proper divisors (1).

13694623 is an equidigital number, since it uses as much as digits as its factorization.

13694623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 34.

The square root of 13694623 is about 3700.6246769971. The cubic root of 13694623 is about 239.2489425976.

The spelling of 13694623 in words is "thirteen million, six hundred ninety-four thousand, six hundred twenty-three".