11426649 has 16 divisors (see below), whose sum is σ = 16656192. Its totient is φ = 6925248.

The previous prime is 11426647. The next prime is 11426663. The reversal of 11426649 is 94662411.

It is not a de Polignac number, because 11426649 - 2¹ = 11426647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11426647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427 + ... + 4799.

It is an arithmetic number, because the mean of its divisors is an integer number (1041012).

Almost surely, 2^11426649 is an apocalyptic number.

It is an amenable number.

11426649 is a deficient number, since it is larger than the sum of its proper divisors (5229543).

11426649 is a wasteful number, since it uses less digits than its factorization.

11426649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4456.

The product of its digits is 10368, while the sum is 33.

The square root of 11426649 is about 3380.3326759359. The cubic root of 11426649 is about 225.2369454490.

The spelling of 11426649 in words is "eleven million, four hundred twenty-six thousand, six hundred forty-nine".