11432745 has 20 divisors (see below), whose sum is σ = 20494980. Its totient is φ = 6097248.

The previous prime is 11432731. The next prime is 11432753. The reversal of 11432745 is 54723411.

It can be written as a sum of positive squares in 2 ways, for example, as 1679616 + 9753129 = 1296^2 + 3123^2 .

It is not a de Polignac number, because 11432745 - 2¹² = 11428649 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 13710 + ... + 14519.

It is an arithmetic number, because the mean of its divisors is an integer number (1024749).

Almost surely, 2^11432745 is an apocalyptic number.

11432745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11432745 is a deficient number, since it is larger than the sum of its proper divisors (9062235).

11432745 is an equidigital number, since it uses as much as digits as its factorization.

11432745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28246 (or 28237 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 11432745 is about 3381.2342421075. The cubic root of 11432745 is about 225.2769921948.

The spelling of 11432745 in words is "eleven million, four hundred thirty-two thousand, seven hundred forty-five".