11632945 has 8 divisors (see below), whose sum is σ = 13987944. Its totient is φ = 9287424.

The previous prime is 11632937. The next prime is 11632993. The reversal of 11632945 is 54923611.

It can be written as a sum of positive squares in 4 ways, for example, as 1238769 + 10394176 = 1113^2 + 3224^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11632945 - 2³ = 11632937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 697 + ... + 4873.

It is an arithmetic number, because the mean of its divisors is an integer number (1748493).

Almost surely, 2^11632945 is an apocalyptic number.

11632945 is the 2785-th pentagonal number.

It is an amenable number.

11632945 is a deficient number, since it is larger than the sum of its proper divisors (2354999).

11632945 is an equidigital number, since it uses as much as digits as its factorization.

11632945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4739.

The product of its digits is 6480, while the sum is 31.

The square root of 11632945 is about 3410.7103365721. The cubic root of 11632945 is about 226.5843402965.

The spelling of 11632945 in words is "eleven million, six hundred thirty-two thousand, nine hundred forty-five".