11412481 has 4 divisors (see below), whose sum is σ = 11430612. Its totient is φ = 11394352.

The previous prime is 11412463. The next prime is 11412497. The reversal of 11412481 is 18421411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1703025 + 9709456 = 1305^2 + 3116^2 .

It is a cyclic number.

It is not a de Polignac number, because 11412481 - 2⁷ = 11412353 is a prime.

It is a super-2 number, since 2×11412481² = 260489445150722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11412431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8086 + ... + 9391.

It is an arithmetic number, because the mean of its divisors is an integer number (2857653).

Almost surely, 2^11412481 is an apocalyptic number.

It is an amenable number.

11412481 is a deficient number, since it is larger than the sum of its proper divisors (18131).

11412481 is an equidigital number, since it uses as much as digits as its factorization.

11412481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18130.

The product of its digits is 256, while the sum is 22.

The square root of 11412481 is about 3378.2363742047. The cubic root of 11412481 is about 225.1438158749.

Adding to 11412481 its reverse (18421411), we get a palindrome (29833892).

The spelling of 11412481 in words is "eleven million, four hundred twelve thousand, four hundred eighty-one".