11427644 has 12 divisors (see below), whose sum is σ = 20193264. Its totient is φ = 5658144.

The previous prime is 11427617. The next prime is 11427649. The reversal of 11427644 is 44672411.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11427649) 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, 13457 + ... + 14280.

It is an arithmetic number, because the mean of its divisors is an integer number (1682772).

Almost surely, 2^11427644 is an apocalyptic number.

It is an amenable number.

11427644 is a deficient number, since it is larger than the sum of its proper divisors (8765620).

11427644 is a wasteful number, since it uses less digits than its factorization.

11427644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27844 (or 27842 counting only the distinct ones).

The product of its digits is 5376, while the sum is 29.

The square root of 11427644 is about 3380.4798475956. The cubic root of 11427644 is about 225.2434829229.

The spelling of 11427644 in words is "eleven million, four hundred twenty-seven thousand, six hundred forty-four".