11464991 has 4 divisors (see below), whose sum is σ = 11493984. Its totient is φ = 11436000.

The previous prime is 11464979. The next prime is 11464993. The reversal of 11464991 is 19946411.

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

It is a cyclic number.

It is not a de Polignac number, because 11464991 - 2¹⁴ = 11448607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11464993) 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, 13895 + ... + 14696.

It is an arithmetic number, because the mean of its divisors is an integer number (2873496).

Almost surely, 2^11464991 is an apocalyptic number.

11464991 is a deficient number, since it is larger than the sum of its proper divisors (28993).

11464991 is an equidigital number, since it uses as much as digits as its factorization.

11464991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28992.

The product of its digits is 7776, while the sum is 35.

The square root of 11464991 is about 3385.9992616656. Note that the first 3 decimals coincide. The cubic root of 11464991 is about 225.4885909243.

The spelling of 11464991 in words is "eleven million, four hundred sixty-four thousand, nine hundred ninety-one".