11902193 has 4 divisors (see below), whose sum is σ = 12602340. Its totient is φ = 11202048.

The previous prime is 11902183. The next prime is 11902207. The reversal of 11902193 is 39120911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39120911 = 919 ⋅42569.

It can be written as a sum of positive squares in 2 ways, for example, as 6848689 + 5053504 = 2617^2 + 2248^2 .

It is not a de Polignac number, because 11902193 - 2⁸ = 11901937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11902133) 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, 350048 + ... + 350081.

It is an arithmetic number, because the mean of its divisors is an integer number (3150585).

Almost surely, 2^11902193 is an apocalyptic number.

It is an amenable number.

11902193 is a deficient number, since it is larger than the sum of its proper divisors (700147).

11902193 is an equidigital number, since it uses as much as digits as its factorization.

11902193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700146.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 11902193 is about 3449.9555069595. The cubic root of 11902193 is about 228.3191449913.

The spelling of 11902193 in words is "eleven million, nine hundred two thousand, one hundred ninety-three".