13526145 has 12 divisors (see below), whose sum is σ = 23445396. Its totient is φ = 7213920.

The previous prime is 13526141. The next prime is 13526153. The reversal of 13526145 is 54162531.

It can be written as a sum of positive squares in 2 ways, for example, as 2556801 + 10969344 = 1599^2 + 3312^2 .

It is not a de Polignac number, because 13526145 - 2² = 13526141 is a prime.

It is a super-2 number, since 2×13526145² = 365913197122050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13526141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150246 + ... + 150335.

It is an arithmetic number, because the mean of its divisors is an integer number (1953783).

Almost surely, 2^13526145 is an apocalyptic number.

13526145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13526145 is a deficient number, since it is larger than the sum of its proper divisors (9919251).

13526145 is a wasteful number, since it uses less digits than its factorization.

13526145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300592 (or 300589 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 13526145 is about 3677.7907770834. The cubic root of 13526145 is about 238.2637720066.

Adding to 13526145 its reverse (54162531), we get a palindrome (67688676).

The spelling of 13526145 in words is "thirteen million, five hundred twenty-six thousand, one hundred forty-five".