11421626 has 4 divisors (see below), whose sum is σ = 17132442. Its totient is φ = 5710812.

The previous prime is 11421601. The next prime is 11421629. The reversal of 11421626 is 62612411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7425625 + 3996001 = 2725^2 + 1999^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11421629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2855405 + ... + 2855408.

Almost surely, 2^11421626 is an apocalyptic number.

11421626 is a deficient number, since it is larger than the sum of its proper divisors (5710816).

11421626 is an equidigital number, since it uses as much as digits as its factorization.

11421626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5710815.

The product of its digits is 576, while the sum is 23.

The square root of 11421626 is about 3379.5896200574. The cubic root of 11421626 is about 225.2039369092.

The spelling of 11421626 in words is "eleven million, four hundred twenty-one thousand, six hundred twenty-six".