11699903 has 2 divisors, whose sum is σ = 11699904. Its totient is φ = 11699902.

The previous prime is 11699899. The next prime is 11699911. The reversal of 11699903 is 30999611.

It is a weak prime.

It is an emirp because it is prime and its reverse (30999611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11699903 - 2² = 11699899 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11699993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5849951 + 5849952.

It is an arithmetic number, because the mean of its divisors is an integer number (5849952).

Almost surely, 2^11699903 is an apocalyptic number.

11699903 is a deficient number, since it is larger than the sum of its proper divisors (1).

11699903 is an equidigital number, since it uses as much as digits as its factorization.

11699903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13122, while the sum is 38.

The square root of 11699903 is about 3420.5120961634. The cubic root of 11699903 is about 227.0182406891.

The spelling of 11699903 in words is "eleven million, six hundred ninety-nine thousand, nine hundred three".