11797958 has 4 divisors (see below), whose sum is σ = 17696940. Its totient is φ = 5898978.

The previous prime is 11797957. The next prime is 11797967. The reversal of 11797958 is 85979711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85979711 = 809 ⋅106279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11797957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2949488 + ... + 2949491.

It is an arithmetic number, because the mean of its divisors is an integer number (4424235).

Almost surely, 2^11797958 is an apocalyptic number.

11797958 is a deficient number, since it is larger than the sum of its proper divisors (5898982).

11797958 is an equidigital number, since it uses as much as digits as its factorization.

11797958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5898981.

The product of its digits is 158760, while the sum is 47.

The square root of 11797958 is about 3434.8155700125. The cubic root of 11797958 is about 227.6506782668.

The spelling of 11797958 in words is "eleven million, seven hundred ninety-seven thousand, nine hundred fifty-eight".