11420634 has 64 divisors (see below), whose sum is σ = 26127360. Its totient is φ = 3306240.

The previous prime is 11420623. The next prime is 11420639. The reversal of 11420634 is 43602411.

It is a self number, because there is not a number n which added to its sum of digits gives 11420634.

It is not an unprimeable number, because it can be changed into a prime (11420639) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 137557 + ... + 137639.

It is an arithmetic number, because the mean of its divisors is an integer number (408240).

Almost surely, 2^11420634 is an apocalyptic number.

11420634 is an abundant number, since it is smaller than the sum of its proper divisors (14706726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11420634 is a wasteful number, since it uses less digits than its factorization.

11420634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 11420634 is about 3379.4428534893. The cubic root of 11420634 is about 225.1974168576.

The spelling of 11420634 in words is "eleven million, four hundred twenty thousand, six hundred thirty-four".