11272631 has 4 divisors (see below), whose sum is σ = 11287152. Its totient is φ = 11258112.

The previous prime is 11272627. The next prime is 11272633. The reversal of 11272631 is 13627211.

11272631 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 11272631 - 2² = 11272627 is a prime.

It is a super-2 number, since 2×11272631² = 254144419324322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11272597 and 11272606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11272633) 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 3 ways as a sum of consecutive naturals, for example, 6026 + ... + 7671.

It is an arithmetic number, because the mean of its divisors is an integer number (2821788).

Almost surely, 2^11272631 is an apocalyptic number.

11272631 is a deficient number, since it is larger than the sum of its proper divisors (14521).

11272631 is an equidigital number, since it uses as much as digits as its factorization.

11272631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14520.

The product of its digits is 504, while the sum is 23.

The square root of 11272631 is about 3357.4739016112. The cubic root of 11272631 is about 224.2203865732.

Adding to 11272631 its reverse (13627211), we get a palindrome (24899842).

The spelling of 11272631 in words is "eleven million, two hundred seventy-two thousand, six hundred thirty-one".