13507136 has 14 divisors (see below), whose sum is σ = 26803350. Its totient is φ = 6753536.

The previous prime is 13507121. The next prime is 13507139. The reversal of 13507136 is 63170531.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8667136 + 4840000 = 2944^2 + 2200^2 .

It is not an unprimeable number, because it can be changed into a prime (13507139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105461 + ... + 105588.

It is an arithmetic number, because the mean of its divisors is an integer number (1914525).

Almost surely, 2^13507136 is an apocalyptic number.

13507136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13507136 is a deficient number, since it is larger than the sum of its proper divisors (13296214).

13507136 is an equidigital number, since it uses as much as digits as its factorization.

13507136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211061 (or 211051 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 13507136 is about 3675.2055724816. The cubic root of 13507136 is about 238.1521048270.

Adding to 13507136 its reverse (63170531), we get a palindrome (76677667).

The spelling of 13507136 in words is "thirteen million, five hundred seven thousand, one hundred thirty-six".