11947401 has 6 divisors (see below), whose sum is σ = 17257370. Its totient is φ = 7964928.

The previous prime is 11947387. The next prime is 11947417. The reversal of 11947401 is 10474911.

11947401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11696400 + 251001 = 3420^2 + 501^2 .

It is not a de Polignac number, because 11947401 - 2¹⁸ = 11685257 is a prime.

It is a Duffinian number.

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (11947471) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 663736 + ... + 663753.

Almost surely, 2^11947401 is an apocalyptic number.

It is an amenable number.

11947401 is a deficient number, since it is larger than the sum of its proper divisors (5309969).

11947401 is a wasteful number, since it uses less digits than its factorization.

11947401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327495 (or 1327492 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 11947401 is about 3456.5012657310. The cubic root of 11947401 is about 228.6078539977.

The spelling of 11947401 in words is "eleven million, nine hundred forty-seven thousand, four hundred one".