11949103 has 2 divisors, whose sum is σ = 11949104. Its totient is φ = 11949102.

The previous prime is 11949101. The next prime is 11949127. The reversal of 11949103 is 30194911.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (30194911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11949103 - 2¹ = 11949101 is a prime.

Together with 11949101, 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 (11949101) 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, 5974551 + 5974552.

It is an arithmetic number, because the mean of its divisors is an integer number (5974552).

Almost surely, 2^11949103 is an apocalyptic number.

11949103 is a deficient number, since it is larger than the sum of its proper divisors (1).

11949103 is an equidigital number, since it uses as much as digits as its factorization.

11949103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 11949103 is about 3456.7474596794. The cubic root of 11949103 is about 228.6187091366.

The spelling of 11949103 in words is "eleven million, nine hundred forty-nine thousand, one hundred three".