13145307 has 16 divisors (see below), whose sum is σ = 20082432. Its totient is φ = 7492320.

The previous prime is 13145299. The next prime is 13145311. The reversal of 13145307 is 70354131.

13145307 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 13145307 - 2³ = 13145299 is a prime.

It is a super-2 number, since 2×13145307² = 345598192248498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13145347) 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, 13408 + ... + 14354.

It is an arithmetic number, because the mean of its divisors is an integer number (1255152).

Almost surely, 2^13145307 is an apocalyptic number.

13145307 is a deficient number, since it is larger than the sum of its proper divisors (6937125).

13145307 is an equidigital number, since it uses as much as digits as its factorization.

13145307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 13145307 is about 3625.6457355897. The cubic root of 13145307 is about 236.0062899310.

Adding to 13145307 its reverse (70354131), we get a palindrome (83499438).

The spelling of 13145307 in words is "thirteen million, one hundred forty-five thousand, three hundred seven".