11853958 has 4 divisors (see below), whose sum is σ = 17780940. Its totient is φ = 5926978.

The previous prime is 11853943. The next prime is 11853979. The reversal of 11853958 is 85935811.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11853958.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2963488 + ... + 2963491.

It is an arithmetic number, because the mean of its divisors is an integer number (4445235).

Almost surely, 2^11853958 is an apocalyptic number.

11853958 is a deficient number, since it is larger than the sum of its proper divisors (5926982).

11853958 is an equidigital number, since it uses as much as digits as its factorization.

11853958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5926981.

The product of its digits is 43200, while the sum is 40.

The square root of 11853958 is about 3442.9577400834. The cubic root of 11853958 is about 228.0102975753.

The spelling of 11853958 in words is "eleven million, eight hundred fifty-three thousand, nine hundred fifty-eight".