11521703 has 2 divisors, whose sum is σ = 11521704. Its totient is φ = 11521702.

The previous prime is 11521691. The next prime is 11521709. The reversal of 11521703 is 30712511.

It is a strong prime.

It is an emirp because it is prime and its reverse (30712511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11521703 - 2⁴ = 11521687 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11521709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5760851 + 5760852.

It is an arithmetic number, because the mean of its divisors is an integer number (5760852).

Almost surely, 2^11521703 is an apocalyptic number.

11521703 is a deficient number, since it is larger than the sum of its proper divisors (1).

11521703 is an equidigital number, since it uses as much as digits as its factorization.

11521703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 11521703 is about 3394.3634160178. The cubic root of 11521703 is about 225.8597754411.

The spelling of 11521703 in words is "eleven million, five hundred twenty-one thousand, seven hundred three".