11256613 has 2 divisors, whose sum is σ = 11256614. Its totient is φ = 11256612.

The previous prime is 11256593. The next prime is 11256629. The reversal of 11256613 is 31665211.

11256613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7387524 + 3869089 = 2718^2 + 1967^2 .

It is a cyclic number.

It is not a de Polignac number, because 11256613 - 2¹³ = 11248421 is a prime.

It is a super-2 number, since 2×11256613² = 253422672463538, which contains 22 as substring.

It is equal to p₇₄₂₃₆₃ and since 11256613 and 742363 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11256643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5628306 + 5628307.

It is an arithmetic number, because the mean of its divisors is an integer number (5628307).

Almost surely, 2^11256613 is an apocalyptic number.

It is an amenable number.

11256613 is a deficient number, since it is larger than the sum of its proper divisors (1).

11256613 is an equidigital number, since it uses as much as digits as its factorization.

11256613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 25.

The square root of 11256613 is about 3355.0876292580. The cubic root of 11256613 is about 224.1141332163.

The spelling of 11256613 in words is "eleven million, two hundred fifty-six thousand, six hundred thirteen".