11641272 has 16 divisors (see below), whose sum is σ = 29103240. Its totient is φ = 3880416.

The previous prime is 11641249. The next prime is 11641313. The reversal of 11641272 is 27214611.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 485053 = 11641272 / (1 + 1 + 6 + 4 + 1 + 2 + 7 + 2).

It is a congruent number.

It is an unprimeable number.

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, 242503 + ... + 242550.

Almost surely, 2^11641272 is an apocalyptic number.

11641272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11641272 is an abundant number, since it is smaller than the sum of its proper divisors (17461968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11641272 is a wasteful number, since it uses less digits than its factorization.

11641272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485062 (or 485058 counting only the distinct ones).

The product of its digits is 672, while the sum is 24.

The square root of 11641272 is about 3411.9308316553. The cubic root of 11641272 is about 226.6383913211.

Adding to 11641272 its reverse (27214611), we get a palindrome (38855883).

The spelling of 11641272 in words is "eleven million, six hundred forty-one thousand, two hundred seventy-two".