11452681 has 2 divisors, whose sum is σ = 11452682. Its totient is φ = 11452680.

The previous prime is 11452669. The next prime is 11452699. The reversal of 11452681 is 18625411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11451456 + 1225 = 3384^2 + 35^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11452681 is a prime.

It is a super-2 number, since 2×11452681² = 262327804175522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11452621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5726340 + 5726341.

It is an arithmetic number, because the mean of its divisors is an integer number (5726341).

Almost surely, 2^11452681 is an apocalyptic number.

It is an amenable number.

11452681 is a deficient number, since it is larger than the sum of its proper divisors (1).

11452681 is an equidigital number, since it uses as much as digits as its factorization.

11452681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920, while the sum is 28.

The square root of 11452681 is about 3384.1809939777. The cubic root of 11452681 is about 225.4078594000.

The spelling of 11452681 in words is "eleven million, four hundred fifty-two thousand, six hundred eighty-one".