11299279 has 4 divisors (see below), whose sum is σ = 11790576. Its totient is φ = 10807984.

The previous prime is 11299247. The next prime is 11299363. The reversal of 11299279 is 97299211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97299211 = 17 ⋅5723483.

It is a cyclic number.

It is not a de Polignac number, because 11299279 - 2⁵ = 11299247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11299979) 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, 245614 + ... + 245659.

It is an arithmetic number, because the mean of its divisors is an integer number (2947644).

Almost surely, 2^11299279 is an apocalyptic number.

11299279 is a deficient number, since it is larger than the sum of its proper divisors (491297).

11299279 is an equidigital number, since it uses as much as digits as its factorization.

11299279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491296.

The product of its digits is 20412, while the sum is 40.

The square root of 11299279 is about 3361.4400188015. The cubic root of 11299279 is about 224.3969298843.

The spelling of 11299279 in words is "eleven million, two hundred ninety-nine thousand, two hundred seventy-nine".