13451693 has 2 divisors, whose sum is σ = 13451694. Its totient is φ = 13451692.

The previous prime is 13451663. The next prime is 13451707. The reversal of 13451693 is 39615431.

13451693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12376324 + 1075369 = 3518^2 + 1037^2 .

It is an emirp because it is prime and its reverse (39615431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13451693 - 2⁶ = 13451629 is a prime.

It is a super-3 number, since 3×13451693³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13451653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6725846 + 6725847.

It is an arithmetic number, because the mean of its divisors is an integer number (6725847).

Almost surely, 2^13451693 is an apocalyptic number.

It is an amenable number.

13451693 is a deficient number, since it is larger than the sum of its proper divisors (1).

13451693 is an equidigital number, since it uses as much as digits as its factorization.

13451693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 32.

The square root of 13451693 is about 3667.6549728675. The cubic root of 13451693 is about 237.8258087981.

The spelling of 13451693 in words is "thirteen million, four hundred fifty-one thousand, six hundred ninety-three".