13125345 has 16 divisors (see below), whose sum is σ = 21047040. Its totient is φ = 6984704.

The previous prime is 13125319. The next prime is 13125347. The reversal of 13125345 is 54352131.

It is a cyclic number.

It is not a de Polignac number, because 13125345 - 2⁸ = 13125089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13125347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10177 + ... + 11393.

It is an arithmetic number, because the mean of its divisors is an integer number (1315440).

Almost surely, 2^13125345 is an apocalyptic number.

13125345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13125345 is a deficient number, since it is larger than the sum of its proper divisors (7921695).

13125345 is a wasteful number, since it uses less digits than its factorization.

13125345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944.

The product of its digits is 1800, while the sum is 24.

The square root of 13125345 is about 3622.8918007581. The cubic root of 13125345 is about 235.8867657970.

Adding to 13125345 its reverse (54352131), we get a palindrome (67477476).

The spelling of 13125345 in words is "thirteen million, one hundred twenty-five thousand, three hundred forty-five".