11620613 has 2 divisors, whose sum is σ = 11620614. Its totient is φ = 11620612.

The previous prime is 11620601. The next prime is 11620633. The reversal of 11620613 is 31602611.

It is an a-pointer prime, because the next prime (11620633) can be obtained adding 11620613 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10903204 + 717409 = 3302^2 + 847^2 .

It is a cyclic number.

It is not a de Polignac number, because 11620613 - 2⁶ = 11620549 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 (11620633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5810306 + 5810307.

It is an arithmetic number, because the mean of its divisors is an integer number (5810307).

Almost surely, 2^11620613 is an apocalyptic number.

It is an amenable number.

11620613 is a deficient number, since it is larger than the sum of its proper divisors (1).

11620613 is an equidigital number, since it uses as much as digits as its factorization.

11620613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 11620613 is about 3408.9020226460. The cubic root of 11620613 is about 226.5042451858.

The spelling of 11620613 in words is "eleven million, six hundred twenty thousand, six hundred thirteen".