11113493 has 2 divisors, whose sum is σ = 11113494. Its totient is φ = 11113492.

The previous prime is 11113489. The next prime is 11113507. The reversal of 11113493 is 39431111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10484644 + 628849 = 3238^2 + 793^2 .

It is an emirp because it is prime and its reverse (39431111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11113493 - 2² = 11113489 is a prime.

It is a super-2 number, since 2×11113493² = 247019453322098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11113433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556746 + 5556747.

It is an arithmetic number, because the mean of its divisors is an integer number (5556747).

Almost surely, 2^11113493 is an apocalyptic number.

It is an amenable number.

11113493 is a deficient number, since it is larger than the sum of its proper divisors (1).

11113493 is an equidigital number, since it uses as much as digits as its factorization.

11113493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324, while the sum is 23.

The square root of 11113493 is about 3333.6905975210. The cubic root of 11113493 is about 223.1602607039.

The spelling of 11113493 in words is "eleven million, one hundred thirteen thousand, four hundred ninety-three".