11640633 has 8 divisors (see below), whose sum is σ = 15537696. Its totient is φ = 7752000.

The previous prime is 11640623. The next prime is 11640649. The reversal of 11640633 is 33604611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11640633 - 2¹³ = 11632441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11640613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2658 + ... + 5508.

It is an arithmetic number, because the mean of its divisors is an integer number (1942212).

Almost surely, 2^11640633 is an apocalyptic number.

It is an amenable number.

11640633 is a deficient number, since it is larger than the sum of its proper divisors (3897063).

11640633 is a wasteful number, since it uses less digits than its factorization.

11640633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4215.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 11640633 is about 3411.8371883781. The cubic root of 11640633 is about 226.6342444495.

The spelling of 11640633 in words is "eleven million, six hundred forty thousand, six hundred thirty-three".