13137386 has 4 divisors (see below), whose sum is σ = 19706082. Its totient is φ = 6568692.

The previous prime is 13137367. The next prime is 13137401. The reversal of 13137386 is 68373131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68373131 = 61 ⋅1120871.

It can be written as a sum of positive squares in only one way, i.e., 8231161 + 4906225 = 2869^2 + 2215^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3284345 + ... + 3284348.

Almost surely, 2^13137386 is an apocalyptic number.

13137386 is a deficient number, since it is larger than the sum of its proper divisors (6568696).

13137386 is an equidigital number, since it uses as much as digits as its factorization.

13137386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6568695.

The product of its digits is 9072, while the sum is 32.

The square root of 13137386 is about 3624.5532138458. The cubic root of 13137386 is about 235.9588767761.

The spelling of 13137386 in words is "thirteen million, one hundred thirty-seven thousand, three hundred eighty-six".