13145276 has 6 divisors (see below), whose sum is σ = 23004240. Its totient is φ = 6572636.

The previous prime is 13145273. The next prime is 13145299. The reversal of 13145276 is 67254131.

It is a super-2 number, since 2×13145276² = 345596562232352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13145273) 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 as a sum of consecutive naturals, namely, 1643156 + ... + 1643163.

It is an arithmetic number, because the mean of its divisors is an integer number (3834040).

Almost surely, 2^13145276 is an apocalyptic number.

It is an amenable number.

13145276 is a deficient number, since it is larger than the sum of its proper divisors (9858964).

13145276 is a wasteful number, since it uses less digits than its factorization.

13145276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3286323 (or 3286321 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 13145276 is about 3625.6414604867. The cubic root of 13145276 is about 236.0061044098.

The spelling of 13145276 in words is "thirteen million, one hundred forty-five thousand, two hundred seventy-six".