13044345 has 32 divisors (see below), whose sum is σ = 21841920. Its totient is φ = 6639360.

The previous prime is 13044329. The next prime is 13044347. The reversal of 13044345 is 54344031.

13044345 = 225² + 226² + ... + 369².

13044345 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13044345 - 2⁴ = 13044329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13044347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68200 + ... + 68390.

It is an arithmetic number, because the mean of its divisors is an integer number (682560).

Almost surely, 2^13044345 is an apocalyptic number.

13044345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13044345 is a deficient number, since it is larger than the sum of its proper divisors (8797575).

13044345 is a wasteful number, since it uses less digits than its factorization.

13044345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 13044345 is about 3611.6955851788. The cubic root of 13044345 is about 235.4005241583.

Adding to 13044345 its reverse (54344031), we get a palindrome (67388376).

The spelling of 13044345 in words is "thirteen million, forty-four thousand, three hundred forty-five".