11464721 has 8 divisors (see below), whose sum is σ = 11664744. Its totient is φ = 11266560.

The previous prime is 11464693. The next prime is 11464751. The reversal of 11464721 is 12746411.

It can be written as a sum of positive squares in 4 ways, for example, as 148225 + 11316496 = 385^2 + 3364^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11464721 - 2¹⁸ = 11202577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11464751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17231 + ... + 17883.

It is an arithmetic number, because the mean of its divisors is an integer number (1458093).

Almost surely, 2^11464721 is an apocalyptic number.

It is an amenable number.

11464721 is a deficient number, since it is larger than the sum of its proper divisors (200023).

11464721 is an equidigital number, since it uses as much as digits as its factorization.

11464721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931.

The product of its digits is 1344, while the sum is 26.

The square root of 11464721 is about 3385.9593913690. The cubic root of 11464721 is about 225.4868208285.

The spelling of 11464721 in words is "eleven million, four hundred sixty-four thousand, seven hundred twenty-one".