11278272 has 28 divisors (see below), whose sum is σ = 29840936. Its totient is φ = 3759360.

The previous prime is 11278271. The next prime is 11278273. The reversal of 11278272 is 27287211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11278271) and next prime (11278273).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11278271) 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, 29179 + ... + 29562.

Almost surely, 2^11278272 is an apocalyptic number.

11278272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11278272 is an abundant number, since it is smaller than the sum of its proper divisors (18562664).

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

11278272 is an equidigital number, since it uses as much as digits as its factorization.

11278272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58756 (or 58746 counting only the distinct ones).

The product of its digits is 3136, while the sum is 30.

The square root of 11278272 is about 3358.3138626400. The cubic root of 11278272 is about 224.2577814600.

The spelling of 11278272 in words is "eleven million, two hundred seventy-eight thousand, two hundred seventy-two".