13969603 has 2 divisors, whose sum is σ = 13969604. Its totient is φ = 13969602.

The previous prime is 13969583. The next prime is 13969621. The reversal of 13969603 is 30696931.

It is a strong prime.

It is an emirp because it is prime and its reverse (30696931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13969603 - 2¹³ = 13961411 is a prime.

It is not a weakly prime, because it can be changed into another prime (13969673) 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, 6984801 + 6984802.

It is an arithmetic number, because the mean of its divisors is an integer number (6984802).

Almost surely, 2^13969603 is an apocalyptic number.

13969603 is a deficient number, since it is larger than the sum of its proper divisors (1).

13969603 is an equidigital number, since it uses as much as digits as its factorization.

13969603 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 13969603 is about 3737.5932095401. The cubic root of 13969603 is about 240.8396688454.

The spelling of 13969603 in words is "thirteen million, nine hundred sixty-nine thousand, six hundred three".