11912361 has 4 divisors (see below), whose sum is σ = 15883152. Its totient is φ = 7941572.

The previous prime is 11912353. The next prime is 11912363. The reversal of 11912361 is 16321911.

11912361 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 16321911 = 3 ⋅5440637.

It is a cyclic number.

It is not a de Polignac number, because 11912361 - 2³ = 11912353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11912363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1985391 + ... + 1985396.

It is an arithmetic number, because the mean of its divisors is an integer number (3970788).

Almost surely, 2^11912361 is an apocalyptic number.

It is an amenable number.

11912361 is a deficient number, since it is larger than the sum of its proper divisors (3970791).

11912361 is an equidigital number, since it uses as much as digits as its factorization.

11912361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3970790.

The product of its digits is 324, while the sum is 24.

The square root of 11912361 is about 3451.4288345553. The cubic root of 11912361 is about 228.3841438892.

The spelling of 11912361 in words is "eleven million, nine hundred twelve thousand, three hundred sixty-one".