13933453 has 2 divisors, whose sum is σ = 13933454. Its totient is φ = 13933452.

The previous prime is 13933429. The next prime is 13933463. The reversal of 13933453 is 35433931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13527684 + 405769 = 3678^2 + 637^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13933453 is a prime.

It is a super-2 number, since 2×13933453² = 388282225006418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13933463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6966726 + 6966727.

It is an arithmetic number, because the mean of its divisors is an integer number (6966727).

Almost surely, 2^13933453 is an apocalyptic number.

It is an amenable number.

13933453 is a deficient number, since it is larger than the sum of its proper divisors (1).

13933453 is an equidigital number, since it uses as much as digits as its factorization.

13933453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 31.

The square root of 13933453 is about 3732.7540770857. The cubic root of 13933453 is about 240.6317441861.

The spelling of 13933453 in words is "thirteen million, nine hundred thirty-three thousand, four hundred fifty-three".