11797278 has 16 divisors (see below), whose sum is σ = 23982096. Its totient is φ = 3867840.

The previous prime is 11797277. The next prime is 11797301. The reversal of 11797278 is 87279711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11797273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15751 + ... + 16482.

It is an arithmetic number, because the mean of its divisors is an integer number (1498881).

Almost surely, 2^11797278 is an apocalyptic number.

11797278 is an abundant number, since it is smaller than the sum of its proper divisors (12184818).

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

11797278 is a wasteful number, since it uses less digits than its factorization.

11797278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32299.

The product of its digits is 49392, while the sum is 42.

The square root of 11797278 is about 3434.7165821942. The cubic root of 11797278 is about 227.6463044750.

The spelling of 11797278 in words is "eleven million, seven hundred ninety-seven thousand, two hundred seventy-eight".