11948958 has 80 divisors (see below), whose sum is σ = 31467744. Its totient is φ = 3317760.

The previous prime is 11948953. The next prime is 11948971. The reversal of 11948958 is 85984911.

11948958 is a `hidden beast` number, since 119 + 489 + 58 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11948953) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 46366 + ... + 46622.

Almost surely, 2^11948958 is an apocalyptic number.

11948958 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11948958, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15733872).

11948958 is an abundant number, since it is smaller than the sum of its proper divisors (19518786).

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

11948958 is a wasteful number, since it uses less digits than its factorization.

11948958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 310 counting only the distinct ones).

The product of its digits is 103680, while the sum is 45.

The square root of 11948958 is about 3456.7264861426. The cubic root of 11948958 is about 228.6177843853.

The spelling of 11948958 in words is "eleven million, nine hundred forty-eight thousand, nine hundred fifty-eight".