11272447 has 2 divisors, whose sum is σ = 11272448. Its totient is φ = 11272446.

The previous prime is 11272421. The next prime is 11272451. The reversal of 11272447 is 74427211.

11272447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11272447 - 2¹⁹ = 10748159 is a prime.

It is a super-2 number, since 2×11272447² = 254136122735618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11273447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5636223 + 5636224.

It is an arithmetic number, because the mean of its divisors is an integer number (5636224).

Almost surely, 2^11272447 is an apocalyptic number.

11272447 is a deficient number, since it is larger than the sum of its proper divisors (1).

11272447 is an equidigital number, since it uses as much as digits as its factorization.

11272447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3136, while the sum is 28.

The square root of 11272447 is about 3357.4464999461. The cubic root of 11272447 is about 224.2191666044.

Adding to 11272447 its reverse (74427211), we get a palindrome (85699658).

It can be divided in two parts, 1127244 and 7, that added together give a triangular number (1127251 = T₁₅₀₁).

The spelling of 11272447 in words is "eleven million, two hundred seventy-two thousand, four hundred forty-seven".