11802261 has 4 divisors (see below), whose sum is σ = 15736352. Its totient is φ = 7868172.

The previous prime is 11802257. The next prime is 11802269. The reversal of 11802261 is 16220811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11802261 - 2² = 11802257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11802269) 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 3 ways as a sum of consecutive naturals, for example, 1967041 + ... + 1967046.

It is an arithmetic number, because the mean of its divisors is an integer number (3934088).

Almost surely, 2^11802261 is an apocalyptic number.

It is an amenable number.

11802261 is a deficient number, since it is larger than the sum of its proper divisors (3934091).

11802261 is an equidigital number, since it uses as much as digits as its factorization.

11802261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3934090.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 11802261 is about 3435.4418929739. The cubic root of 11802261 is about 227.6783514681.

The spelling of 11802261 in words is "eleven million, eight hundred two thousand, two hundred sixty-one".