11620513 has 2 divisors, whose sum is σ = 11620514. Its totient is φ = 11620512.

The previous prime is 11620493. The next prime is 11620517. The reversal of 11620513 is 31502611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7006609 + 4613904 = 2647^2 + 2148^2 .

It is a cyclic number.

It is not a de Polignac number, because 11620513 - 2⁵ = 11620481 is a prime.

It is not a weakly prime, because it can be changed into another prime (11620517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5810256 + 5810257.

It is an arithmetic number, because the mean of its divisors is an integer number (5810257).

Almost surely, 2^11620513 is an apocalyptic number.

It is an amenable number.

11620513 is a deficient number, since it is larger than the sum of its proper divisors (1).

11620513 is an equidigital number, since it uses as much as digits as its factorization.

11620513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 11620513 is about 3408.8873551351. The cubic root of 11620513 is about 226.5035954642.

The spelling of 11620513 in words is "eleven million, six hundred twenty thousand, five hundred thirteen".