11912426 has 4 divisors (see below), whose sum is σ = 17868642. Its totient is φ = 5956212.

The previous prime is 11912377. The next prime is 11912431. The reversal of 11912426 is 62421911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62421911 = 149 ⋅418939.

It can be written as a sum of positive squares in only one way, i.e., 11909401 + 3025 = 3451^2 + 55^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11912395 and 11912404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2978105 + ... + 2978108.

Almost surely, 2^11912426 is an apocalyptic number.

11912426 is a deficient number, since it is larger than the sum of its proper divisors (5956216).

11912426 is an equidigital number, since it uses as much as digits as its factorization.

11912426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5956215.

The product of its digits is 864, while the sum is 26.

The square root of 11912426 is about 3451.4382509325. The cubic root of 11912426 is about 228.3845592824.

The spelling of 11912426 in words is "eleven million, nine hundred twelve thousand, four hundred twenty-six".