11473631 has 4 divisors (see below), whose sum is σ = 12356232. Its totient is φ = 10591032.

The previous prime is 11473621. The next prime is 11473633. The reversal of 11473631 is 13637411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13637411 = 613 ⋅22247.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11473631 is a prime.

It is a super-2 number, since 2×11473631² = 263288416648322, 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 11473631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11473633) 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, 441281 + ... + 441306.

It is an arithmetic number, because the mean of its divisors is an integer number (3089058).

Almost surely, 2^11473631 is an apocalyptic number.

11473631 is a deficient number, since it is larger than the sum of its proper divisors (882601).

11473631 is an equidigital number, since it uses as much as digits as its factorization.

11473631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882600.

The product of its digits is 1512, while the sum is 26.

The square root of 11473631 is about 3387.2748633673. The cubic root of 11473631 is about 225.5452193228.

The spelling of 11473631 in words is "eleven million, four hundred seventy-three thousand, six hundred thirty-one".