11997048 has 32 divisors (see below), whose sum is σ = 34277760. Its totient is φ = 3427680.

The previous prime is 11996993. The next prime is 11997049. The reversal of 11997048 is 84079911.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11996997 and 11997015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11997049) 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, 35538 + ... + 35873.

It is an arithmetic number, because the mean of its divisors is an integer number (1071180).

Almost surely, 2^11997048 is an apocalyptic number.

It is an amenable number.

11997048 is an abundant number, since it is smaller than the sum of its proper divisors (22280712).

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

11997048 is a wasteful number, since it uses less digits than its factorization.

11997048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71427 (or 71423 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 11997048 is about 3463.6755044317. The cubic root of 11997048 is about 228.9240736575.

The spelling of 11997048 in words is "eleven million, nine hundred ninety-seven thousand, forty-eight".