13246145 has 32 divisors (see below), whose sum is σ = 18994176. Its totient is φ = 8755200.

The previous prime is 13246139. The next prime is 13246147. The reversal of 13246145 is 54164231.

13246145 = T₂₇₉ + T₂₈₀ + ... + T₄₆₅.

It is not a de Polignac number, because 13246145 - 2¹² = 13242049 is a prime.

It is a super-2 number, since 2×13246145² = 350920714722050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13246147) 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 31 ways as a sum of consecutive naturals, for example, 28757 + ... + 29213.

It is an arithmetic number, because the mean of its divisors is an integer number (593568).

Almost surely, 2^13246145 is an apocalyptic number.

It is an amenable number.

13246145 is a deficient number, since it is larger than the sum of its proper divisors (5748031).

13246145 is a wasteful number, since it uses less digits than its factorization.

13246145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521.

The product of its digits is 2880, while the sum is 26.

The square root of 13246145 is about 3639.5253811452. The cubic root of 13246145 is about 236.6082235730.

The spelling of 13246145 in words is "thirteen million, two hundred forty-six thousand, one hundred forty-five".