11947941 has 24 divisors (see below), whose sum is σ = 18364320. Its totient is φ = 7464096.

The previous prime is 11947931. The next prime is 11947961. The reversal of 11947941 is 14974911.

It is not a de Polignac number, because 11947941 - 2¹⁰ = 11946917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11947896 and 11947905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11947931) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17971 + ... + 18623.

It is an arithmetic number, because the mean of its divisors is an integer number (765180).

Almost surely, 2^11947941 is an apocalyptic number.

It is an amenable number.

11947941 is a deficient number, since it is larger than the sum of its proper divisors (6416379).

11947941 is a wasteful number, since it uses less digits than its factorization.

11947941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785 (or 782 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 11947941 is about 3456.5793785186. The cubic root of 11947941 is about 228.6112981605.

The spelling of 11947941 in words is "eleven million, nine hundred forty-seven thousand, nine hundred forty-one".