13452945 has 16 divisors (see below), whose sum is σ = 23481792. Its totient is φ = 6522560.

The previous prime is 13452919. The next prime is 13452947. The reversal of 13452945 is 54925431.

It is not a de Polignac number, because 13452945 - 2⁵ = 13452913 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (13452947) 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 15 ways as a sum of consecutive naturals, for example, 40602 + ... + 40931.

It is an arithmetic number, because the mean of its divisors is an integer number (1467612).

Almost surely, 2^13452945 is an apocalyptic number.

13452945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13452945 is a deficient number, since it is larger than the sum of its proper divisors (10028847).

13452945 is a wasteful number, since it uses less digits than its factorization.

13452945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81552.

The product of its digits is 21600, while the sum is 33.

The square root of 13452945 is about 3667.8256501639. The cubic root of 13452945 is about 237.8331870188.

The spelling of 13452945 in words is "thirteen million, four hundred fifty-two thousand, nine hundred forty-five".