13244145 has 8 divisors (see below), whose sum is σ = 21190656. Its totient is φ = 7063536.

The previous prime is 13244141. The next prime is 13244149. The reversal of 13244145 is 54144231.

13244145 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 an interprime number because it is at equal distance from previous prime (13244141) and next prime (13244149).

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

It is not a de Polignac number, because 13244145 - 2² = 13244141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13244141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441457 + ... + 441486.

It is an arithmetic number, because the mean of its divisors is an integer number (2648832).

Almost surely, 2^13244145 is an apocalyptic number.

13244145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13244145 is a deficient number, since it is larger than the sum of its proper divisors (7946511).

13244145 is an equidigital number, since it uses as much as digits as its factorization.

13244145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882951.

The product of its digits is 1920, while the sum is 24.

The square root of 13244145 is about 3639.2506096723. The cubic root of 13244145 is about 236.5963146927.

Adding to 13244145 its reverse (54144231), we get a palindrome (67388376).

The spelling of 13244145 in words is "thirteen million, two hundred forty-four thousand, one hundred forty-five".