11930261 has 8 divisors (see below), whose sum is σ = 14227584. Its totient is φ = 9781200.

The previous prime is 11930239. The next prime is 11930267. The reversal of 11930261 is 16203911.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11930261 is a prime.

It is a super-2 number, since 2×11930261² = 284662255056242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11930267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36890 + ... + 37211.

It is an arithmetic number, because the mean of its divisors is an integer number (1778448).

Almost surely, 2^11930261 is an apocalyptic number.

It is an amenable number.

11930261 is a deficient number, since it is larger than the sum of its proper divisors (2297323).

11930261 is an equidigital number, since it uses as much as digits as its factorization.

11930261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74131.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 11930261 is about 3454.0209900926. The cubic root of 11930261 is about 228.4984797528.

The spelling of 11930261 in words is "eleven million, nine hundred thirty thousand, two hundred sixty-one".