11803013 has 2 divisors, whose sum is σ = 11803014. Its totient is φ = 11803012.

The previous prime is 11803007. The next prime is 11803019. The reversal of 11803013 is 31030811.

It is a balanced prime because it is at equal distance from previous prime (11803007) and next prime (11803019).

It can be written as a sum of positive squares in only one way, i.e., 11607649 + 195364 = 3407^2 + 442^2 .

It is a cyclic number.

It is not a de Polignac number, because 11803013 - 2¹⁰ = 11801989 is a prime.

It is a super-2 number, since 2×11803013² = 278622231756338, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11802982 and 11803000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11803019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5901506 + 5901507.

It is an arithmetic number, because the mean of its divisors is an integer number (5901507).

Almost surely, 2^11803013 is an apocalyptic number.

It is an amenable number.

11803013 is a deficient number, since it is larger than the sum of its proper divisors (1).

11803013 is an equidigital number, since it uses as much as digits as its factorization.

11803013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 11803013 is about 3435.5513385773. The cubic root of 11803013 is about 227.6831869959.

Adding to 11803013 its reverse (31030811), we get a palindrome (42833824).

The spelling of 11803013 in words is "eleven million, eight hundred three thousand, thirteen".