11272478 has 8 divisors (see below), whose sum is σ = 19324272. Its totient is φ = 4831056.

The previous prime is 11272463. The next prime is 11272501. The reversal of 11272478 is 87427211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402575 + ... + 402602.

It is an arithmetic number, because the mean of its divisors is an integer number (2415534).

Almost surely, 2^11272478 is an apocalyptic number.

11272478 is a deficient number, since it is larger than the sum of its proper divisors (8051794).

11272478 is an equidigital number, since it uses as much as digits as its factorization.

11272478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805186.

The product of its digits is 6272, while the sum is 32.

The square root of 11272478 is about 3357.4511165466. The cubic root of 11272478 is about 224.2193721435.

Adding to 11272478 its reverse (87427211), we get a palindrome (98699689).

The spelling of 11272478 in words is "eleven million, two hundred seventy-two thousand, four hundred seventy-eight".