13502945 has 8 divisors (see below), whose sum is σ = 16281600. Its totient is φ = 10750320.

The previous prime is 13502941. The next prime is 13502953. The reversal of 13502945 is 54920531.

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

It is not a de Polignac number, because 13502945 - 2² = 13502941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13502941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5345 + ... + 7454.

It is an arithmetic number, because the mean of its divisors is an integer number (2035200).

Almost surely, 2^13502945 is an apocalyptic number.

It is an amenable number.

13502945 is a deficient number, since it is larger than the sum of its proper divisors (2778655).

13502945 is a wasteful number, since it uses less digits than its factorization.

13502945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13015.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 13502945 is about 3674.6353560592. The cubic root of 13502945 is about 238.1274709663.

The spelling of 13502945 in words is "thirteen million, five hundred two thousand, nine hundred forty-five".