13932545 has 12 divisors (see below), whose sum is σ = 18377940. Its totient is φ = 10132320.

The previous prime is 13932533. The next prime is 13932551. The reversal of 13932545 is 54523931.

It can be written as a sum of positive squares in 2 ways, for example, as 9284209 + 4648336 = 3047^2 + 2156^2 .

It is not a de Polignac number, because 13932545 - 2¹⁰ = 13931521 is a prime.

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, 10910 + ... + 12119.

It is an arithmetic number, because the mean of its divisors is an integer number (1531495).

Almost surely, 2^13932545 is an apocalyptic number.

It is an amenable number.

13932545 is a deficient number, since it is larger than the sum of its proper divisors (4445395).

13932545 is a wasteful number, since it uses less digits than its factorization.

13932545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23056 (or 23045 counting only the distinct ones).

The product of its digits is 16200, while the sum is 32.

The square root of 13932545 is about 3732.6324490901. The cubic root of 13932545 is about 240.6265169972.

The spelling of 13932545 in words is "thirteen million, nine hundred thirty-two thousand, five hundred forty-five".