11980613 has 2 divisors, whose sum is σ = 11980614. Its totient is φ = 11980612.

The previous prime is 11980609. The next prime is 11980669. The reversal of 11980613 is 31608911.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7579009 + 4401604 = 2753^2 + 2098^2 .

It is an emirp because it is prime and its reverse (31608911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11980613 - 2² = 11980609 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11980603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5990306 + 5990307.

It is an arithmetic number, because the mean of its divisors is an integer number (5990307).

Almost surely, 2^11980613 is an apocalyptic number.

It is an amenable number.

11980613 is a deficient number, since it is larger than the sum of its proper divisors (1).

11980613 is an equidigital number, since it uses as much as digits as its factorization.

11980613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 11980613 is about 3461.3022115961. The cubic root of 11980613 is about 228.8194899714.

The spelling of 11980613 in words is "eleven million, nine hundred eighty thousand, six hundred thirteen".