11448631 has 4 divisors (see below), whose sum is σ = 11519032. Its totient is φ = 11378232.

The previous prime is 11448629. The next prime is 11448673. The reversal of 11448631 is 13684411.

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 11448631 - 2¹ = 11448629 is a prime.

It is a super-2 number, since 2×11448631² = 262142303548322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11448631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11448611) 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, 34956 + ... + 35281.

It is an arithmetic number, because the mean of its divisors is an integer number (2879758).

Almost surely, 2^11448631 is an apocalyptic number.

11448631 is a deficient number, since it is larger than the sum of its proper divisors (70401).

11448631 is an equidigital number, since it uses as much as digits as its factorization.

11448631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70400.

The product of its digits is 2304, while the sum is 28.

The square root of 11448631 is about 3383.5825688167. The cubic root of 11448631 is about 225.3812860163.

The spelling of 11448631 in words is "eleven million, four hundred forty-eight thousand, six hundred thirty-one".