11420964 has 36 divisors (see below), whose sum is σ = 28998060. Its totient is φ = 3790080.

The previous prime is 11420947. The next prime is 11420971. The reversal of 11420964 is 46902411.

It can be written as a sum of positive squares in 2 ways, for example, as 3968064 + 7452900 = 1992^2 + 2730^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9552 + ... + 10680.

Almost surely, 2^11420964 is an apocalyptic number.

It is an amenable number.

11420964 is an abundant number, since it is smaller than the sum of its proper divisors (17577096).

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

11420964 is a wasteful number, since it uses less digits than its factorization.

11420964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420 (or 1415 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 11420964 is about 3379.4916777527. The cubic root of 11420964 is about 225.1995858683.

The spelling of 11420964 in words is "eleven million, four hundred twenty thousand, nine hundred sixty-four".